Home / 102,331.27-153,550.20-77,363.94

Finding the Fourth Proportional to 102,331.27, 153,550.20 and 77,363.94

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Solution

The fourth proportional to 102,331.27, 153,550.20 and 77,363.94 is: 116,086.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,331.27 : 153,550.20 = 77,363.94 : x
  2. Step 2: Convert to fraction form
    102,331.27/153,550.20 = 77,363.94/x
  3. Step 3: Cross multiply
    102,331.27x = 153,550.20 × 77,363.94
  4. Step 4: Simplify right side
    102,331.27x = 11,879,248,459.79
  5. Step 5: Solve for x
    x = 11,879,248,459.79/102,331.27
  6. Step 6: Final answer
    x = 116,086.21

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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.