Home / 238,889.43-329,681.03-136,931.85

Finding the Fourth Proportional to 238,889.43, 329,681.03 and 136,931.85

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Solution

The fourth proportional to 238,889.43, 329,681.03 and 136,931.85 is: 188,973.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,889.43 : 329,681.03 = 136,931.85 : x
  2. Step 2: Convert to fraction form
    238,889.43/329,681.03 = 136,931.85/x
  3. Step 3: Cross multiply
    238,889.43x = 329,681.03 × 136,931.85
  4. Step 4: Simplify right side
    238,889.43x = 45,143,832,663.15
  5. Step 5: Solve for x
    x = 45,143,832,663.15/238,889.43
  6. Step 6: Final answer
    x = 188,973.76

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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.