Home / 131,730.24-181,787.22-71,301.92

Finding the Fourth Proportional to 131,730.24, 181,787.22 and 71,301.92

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Solution

The fourth proportional to 131,730.24, 181,787.22 and 71,301.92 is: 98,396.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,730.24 : 181,787.22 = 71,301.92 : x
  2. Step 2: Convert to fraction form
    131,730.24/181,787.22 = 71,301.92/x
  3. Step 3: Cross multiply
    131,730.24x = 181,787.22 × 71,301.92
  4. Step 4: Simplify right side
    131,730.24x = 12,961,776,908.53
  5. Step 5: Solve for x
    x = 12,961,776,908.53/131,730.24
  6. Step 6: Final answer
    x = 98,396.37

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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.