Home / 238,429.15-329,031.96-130,998.92

Finding the Fourth Proportional to 238,429.15, 329,031.96 and 130,998.92

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Solution

The fourth proportional to 238,429.15, 329,031.96 and 130,998.92 is: 180,778.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,429.15 : 329,031.96 = 130,998.92 : x
  2. Step 2: Convert to fraction form
    238,429.15/329,031.96 = 130,998.92/x
  3. Step 3: Cross multiply
    238,429.15x = 329,031.96 × 130,998.92
  4. Step 4: Simplify right side
    238,429.15x = 43,102,829,269.08
  5. Step 5: Solve for x
    x = 43,102,829,269.08/238,429.15
  6. Step 6: Final answer
    x = 180,778.36

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1.5x scale

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.