Home / 109,086.60-150,534.02-61,337.10

Finding the Fourth Proportional to 109,086.60, 150,534.02 and 61,337.10

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Solution

The fourth proportional to 109,086.60, 150,534.02 and 61,337.10 is: 84,642.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,086.60 : 150,534.02 = 61,337.10 : x
  2. Step 2: Convert to fraction form
    109,086.60/150,534.02 = 61,337.10/x
  3. Step 3: Cross multiply
    109,086.60x = 150,534.02 × 61,337.10
  4. Step 4: Simplify right side
    109,086.60x = 9,233,320,238.14
  5. Step 5: Solve for x
    x = 9,233,320,238.14/109,086.60
  6. Step 6: Final answer
    x = 84,642.11

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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.