Home / 89,127.71-133,721.34-29,158.93

Finding the Fourth Proportional to 89,127.71, 133,721.34 and 29,158.93

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Solution

The fourth proportional to 89,127.71, 133,721.34 and 29,158.93 is: 43,748.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,127.71 : 133,721.34 = 29,158.93 : x
  2. Step 2: Convert to fraction form
    89,127.71/133,721.34 = 29,158.93/x
  3. Step 3: Cross multiply
    89,127.71x = 133,721.34 × 29,158.93
  4. Step 4: Simplify right side
    89,127.71x = 3,899,171,192.57
  5. Step 5: Solve for x
    x = 3,899,171,192.57/89,127.71
  6. Step 6: Final answer
    x = 43,748.14

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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.