Home / 134,713.29-202,069.95-74,778.57

Finding the Fourth Proportional to 134,713.29, 202,069.95 and 74,778.57

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Solution

The fourth proportional to 134,713.29, 202,069.95 and 74,778.57 is: 112,167.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,713.29 : 202,069.95 = 74,778.57 : x
  2. Step 2: Convert to fraction form
    134,713.29/202,069.95 = 74,778.57/x
  3. Step 3: Cross multiply
    134,713.29x = 202,069.95 × 74,778.57
  4. Step 4: Simplify right side
    134,713.29x = 15,110,501,900.97
  5. Step 5: Solve for x
    x = 15,110,501,900.97/134,713.29
  6. Step 6: Final answer
    x = 112,167.86

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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.