Home / 102,498.08-141,447.12-57,785.76

Finding the Fourth Proportional to 102,498.08, 141,447.12 and 57,785.76

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Solution

The fourth proportional to 102,498.08, 141,447.12 and 57,785.76 is: 79,744.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,498.08 : 141,447.12 = 57,785.76 : x
  2. Step 2: Convert to fraction form
    102,498.08/141,447.12 = 57,785.76/x
  3. Step 3: Cross multiply
    102,498.08x = 141,447.12 × 57,785.76
  4. Step 4: Simplify right side
    102,498.08x = 8,173,629,329.01
  5. Step 5: Solve for x
    x = 8,173,629,329.01/102,498.08
  6. Step 6: Final answer
    x = 79,744.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.