Home / 109,642.28-151,306.30-59,341.28

Finding the Fourth Proportional to 109,642.28, 151,306.30 and 59,341.28

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Solution

The fourth proportional to 109,642.28, 151,306.30 and 59,341.28 is: 81,890.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,642.28 : 151,306.30 = 59,341.28 : x
  2. Step 2: Convert to fraction form
    109,642.28/151,306.30 = 59,341.28/x
  3. Step 3: Cross multiply
    109,642.28x = 151,306.30 × 59,341.28
  4. Step 4: Simplify right side
    109,642.28x = 8,978,709,743.98
  5. Step 5: Solve for x
    x = 8,978,709,743.98/109,642.28
  6. Step 6: Final answer
    x = 81,890.94

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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.