Home / 238,457.49-329,079.42-131,031.38

Finding the Fourth Proportional to 238,457.49, 329,079.42 and 131,031.38

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Solution

The fourth proportional to 238,457.49, 329,079.42 and 131,031.38 is: 180,827.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,457.49 : 329,079.42 = 131,031.38 : x
  2. Step 2: Convert to fraction form
    238,457.49/329,079.42 = 131,031.38/x
  3. Step 3: Cross multiply
    238,457.49x = 329,079.42 × 131,031.38
  4. Step 4: Simplify right side
    238,457.49x = 43,119,730,532.20
  5. Step 5: Solve for x
    x = 43,119,730,532.20/238,457.49
  6. Step 6: Final answer
    x = 180,827.75

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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.