Home / 102,221.48-141,062.51-56,898.30

Finding the Fourth Proportional to 102,221.48, 141,062.51 and 56,898.30

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Solution

The fourth proportional to 102,221.48, 141,062.51 and 56,898.30 is: 78,517.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,221.48 : 141,062.51 = 56,898.30 : x
  2. Step 2: Convert to fraction form
    102,221.48/141,062.51 = 56,898.30/x
  3. Step 3: Cross multiply
    102,221.48x = 141,062.51 × 56,898.30
  4. Step 4: Simplify right side
    102,221.48x = 8,026,216,728.24
  5. Step 5: Solve for x
    x = 8,026,216,728.24/102,221.48
  6. Step 6: Final answer
    x = 78,517.91

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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.