Home / 131,728.29-197,592.56-61,656.81

Finding the Fourth Proportional to 131,728.29, 197,592.56 and 61,656.81

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Solution

The fourth proportional to 131,728.29, 197,592.56 and 61,656.81 is: 92,485.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,728.29 : 197,592.56 = 61,656.81 : x
  2. Step 2: Convert to fraction form
    131,728.29/197,592.56 = 61,656.81/x
  3. Step 3: Cross multiply
    131,728.29x = 197,592.56 × 61,656.81
  4. Step 4: Simplify right side
    131,728.29x = 12,182,926,929.33
  5. Step 5: Solve for x
    x = 12,182,926,929.33/131,728.29
  6. Step 6: Final answer
    x = 92,485.27

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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.