Home / 110,126.91-151,985.72-61,737.11

Finding the Fourth Proportional to 110,126.91, 151,985.72 and 61,737.11

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Solution

The fourth proportional to 110,126.91, 151,985.72 and 61,737.11 is: 85,203.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,126.91 : 151,985.72 = 61,737.11 : x
  2. Step 2: Convert to fraction form
    110,126.91/151,985.72 = 61,737.11/x
  3. Step 3: Cross multiply
    110,126.91x = 151,985.72 × 61,737.11
  4. Step 4: Simplify right side
    110,126.91x = 9,383,158,045.46
  5. Step 5: Solve for x
    x = 9,383,158,045.46/110,126.91
  6. Step 6: Final answer
    x = 85,203.14

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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.