Home / 102,479.80-141,400.62-62,214.76

Finding the Fourth Proportional to 102,479.80, 141,400.62 and 62,214.76

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Solution

The fourth proportional to 102,479.80, 141,400.62 and 62,214.76 is: 85,843.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,479.80 : 141,400.62 = 62,214.76 : x
  2. Step 2: Convert to fraction form
    102,479.80/141,400.62 = 62,214.76/x
  3. Step 3: Cross multiply
    102,479.80x = 141,400.62 × 62,214.76
  4. Step 4: Simplify right side
    102,479.80x = 8,797,205,637.15
  5. Step 5: Solve for x
    x = 8,797,205,637.15/102,479.80
  6. Step 6: Final answer
    x = 85,843.31

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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.