Home / 239,044.08-329,894.46-131,637

Finding the Fourth Proportional to 239,044.08, 329,894.46 and 131,637

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Solution

The fourth proportional to 239,044.08, 329,894.46 and 131,637 is: 181,666.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,044.08 : 329,894.46 = 131,637 : x
  2. Step 2: Convert to fraction form
    239,044.08/329,894.46 = 131,637/x
  3. Step 3: Cross multiply
    239,044.08x = 329,894.46 × 131,637
  4. Step 4: Simplify right side
    239,044.08x = 43,426,317,031.02
  5. Step 5: Solve for x
    x = 43,426,317,031.02/239,044.08
  6. Step 6: Final answer
    x = 181,666.57

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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.