Home / 109,116.76-150,569.39-61,359.97

Finding the Fourth Proportional to 109,116.76, 150,569.39 and 61,359.97

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Solution

The fourth proportional to 109,116.76, 150,569.39 and 61,359.97 is: 84,670.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,116.76 : 150,569.39 = 61,359.97 : x
  2. Step 2: Convert to fraction form
    109,116.76/150,569.39 = 61,359.97/x
  3. Step 3: Cross multiply
    109,116.76x = 150,569.39 × 61,359.97
  4. Step 4: Simplify right side
    109,116.76x = 9,238,932,193.67
  5. Step 5: Solve for x
    x = 9,238,932,193.67/109,116.76
  6. Step 6: Final answer
    x = 84,670.15

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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.