Home / 115,604.70-173,407.05-74,132.70

Finding the Fourth Proportional to 115,604.70, 173,407.05 and 74,132.70

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Solution

The fourth proportional to 115,604.70, 173,407.05 and 74,132.70 is: 111,199.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,604.70 : 173,407.05 = 74,132.70 : x
  2. Step 2: Convert to fraction form
    115,604.70/173,407.05 = 74,132.70/x
  3. Step 3: Cross multiply
    115,604.70x = 173,407.05 × 74,132.70
  4. Step 4: Simplify right side
    115,604.70x = 12,855,132,815.54
  5. Step 5: Solve for x
    x = 12,855,132,815.54/115,604.70
  6. Step 6: Final answer
    x = 111,199.05

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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.