Home / 115,905.60-173,858.40-45,748.80

Finding the Fourth Proportional to 115,905.60, 173,858.40 and 45,748.80

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Solution

The fourth proportional to 115,905.60, 173,858.40 and 45,748.80 is: 68,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,905.60 : 173,858.40 = 45,748.80 : x
  2. Step 2: Convert to fraction form
    115,905.60/173,858.40 = 45,748.80/x
  3. Step 3: Cross multiply
    115,905.60x = 173,858.40 × 45,748.80
  4. Step 4: Simplify right side
    115,905.60x = 7,953,813,169.92
  5. Step 5: Solve for x
    x = 7,953,813,169.92/115,905.60
  6. Step 6: Final answer
    x = 68,623.20

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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.