Home / 238,973.68-329,709.45-135,590.77

Finding the Fourth Proportional to 238,973.68, 329,709.45 and 135,590.77

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Solution

The fourth proportional to 238,973.68, 329,709.45 and 135,590.77 is: 187,073.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,973.68 : 329,709.45 = 135,590.77 : x
  2. Step 2: Convert to fraction form
    238,973.68/329,709.45 = 135,590.77/x
  3. Step 3: Cross multiply
    238,973.68x = 329,709.45 × 135,590.77
  4. Step 4: Simplify right side
    238,973.68x = 44,705,558,201.78
  5. Step 5: Solve for x
    x = 44,705,558,201.78/238,973.68
  6. Step 6: Final answer
    x = 187,073.15

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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.