Home / 131,272.10-196,681.35-61,007.30

Finding the Fourth Proportional to 131,272.10, 196,681.35 and 61,007.30

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Solution

The fourth proportional to 131,272.10, 196,681.35 and 61,007.30 is: 91,405.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,272.10 : 196,681.35 = 61,007.30 : x
  2. Step 2: Convert to fraction form
    131,272.10/196,681.35 = 61,007.30/x
  3. Step 3: Cross multiply
    131,272.10x = 196,681.35 × 61,007.30
  4. Step 4: Simplify right side
    131,272.10x = 11,998,998,123.86
  5. Step 5: Solve for x
    x = 11,998,998,123.86/131,272.10
  6. Step 6: Final answer
    x = 91,405.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.