Home / 238,918.95-329,714.78-130,024.29

Finding the Fourth Proportional to 238,918.95, 329,714.78 and 130,024.29

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Solution

The fourth proportional to 238,918.95, 329,714.78 and 130,024.29 is: 179,437.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,918.95 : 329,714.78 = 130,024.29 : x
  2. Step 2: Convert to fraction form
    238,918.95/329,714.78 = 130,024.29/x
  3. Step 3: Cross multiply
    238,918.95x = 329,714.78 × 130,024.29
  4. Step 4: Simplify right side
    238,918.95x = 42,870,930,312.60
  5. Step 5: Solve for x
    x = 42,870,930,312.60/238,918.95
  6. Step 6: Final answer
    x = 179,437.13

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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.