Home / 238,948.83-329,746.80-131,516.54

Finding the Fourth Proportional to 238,948.83, 329,746.80 and 131,516.54

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Solution

The fourth proportional to 238,948.83, 329,746.80 and 131,516.54 is: 181,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,948.83 : 329,746.80 = 131,516.54 : x
  2. Step 2: Convert to fraction form
    238,948.83/329,746.80 = 131,516.54/x
  3. Step 3: Cross multiply
    238,948.83x = 329,746.80 × 131,516.54
  4. Step 4: Simplify right side
    238,948.83x = 43,367,156,563.34
  5. Step 5: Solve for x
    x = 43,367,156,563.34/238,948.83
  6. Step 6: Final answer
    x = 181,491.40

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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.