Home / 115,748.70-173,623.05-53,385.18

Finding the Fourth Proportional to 115,748.70, 173,623.05 and 53,385.18

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Solution

The fourth proportional to 115,748.70, 173,623.05 and 53,385.18 is: 80,077.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,748.70 : 173,623.05 = 53,385.18 : x
  2. Step 2: Convert to fraction form
    115,748.70/173,623.05 = 53,385.18/x
  3. Step 3: Cross multiply
    115,748.70x = 173,623.05 × 53,385.18
  4. Step 4: Simplify right side
    115,748.70x = 9,268,897,776.40
  5. Step 5: Solve for x
    x = 9,268,897,776.40/115,748.70
  6. Step 6: Final answer
    x = 80,077.77

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.