Home / 102,210.26-141,049.15-56,887.47

Finding the Fourth Proportional to 102,210.26, 141,049.15 and 56,887.47

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Solution

The fourth proportional to 102,210.26, 141,049.15 and 56,887.47 is: 78,504.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,210.26 : 141,049.15 = 56,887.47 : x
  2. Step 2: Convert to fraction form
    102,210.26/141,049.15 = 56,887.47/x
  3. Step 3: Cross multiply
    102,210.26x = 141,049.15 × 56,887.47
  4. Step 4: Simplify right side
    102,210.26x = 8,023,929,146.93
  5. Step 5: Solve for x
    x = 8,023,929,146.93/102,210.26
  6. Step 6: Final answer
    x = 78,504.15

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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.