Home / 238,547.76-329,179.32-131,115.12

Finding the Fourth Proportional to 238,547.76, 329,179.32 and 131,115.12

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Solution

The fourth proportional to 238,547.76, 329,179.32 and 131,115.12 is: 180,929.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,547.76 : 329,179.32 = 131,115.12 : x
  2. Step 2: Convert to fraction form
    238,547.76/329,179.32 = 131,115.12/x
  3. Step 3: Cross multiply
    238,547.76x = 329,179.32 × 131,115.12
  4. Step 4: Simplify right side
    238,547.76x = 43,160,386,043.32
  5. Step 5: Solve for x
    x = 43,160,386,043.32/238,547.76
  6. Step 6: Final answer
    x = 180,929.75

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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.