Home / 109,559.52-151,196.68-61,812.68

Finding the Fourth Proportional to 109,559.52, 151,196.68 and 61,812.68

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Solution

The fourth proportional to 109,559.52, 151,196.68 and 61,812.68 is: 85,304.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,559.52 : 151,196.68 = 61,812.68 : x
  2. Step 2: Convert to fraction form
    109,559.52/151,196.68 = 61,812.68/x
  3. Step 3: Cross multiply
    109,559.52x = 151,196.68 × 61,812.68
  4. Step 4: Simplify right side
    109,559.52x = 9,345,871,997.90
  5. Step 5: Solve for x
    x = 9,345,871,997.90/109,559.52
  6. Step 6: Final answer
    x = 85,304.06

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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.