Home / 180,730.71-271,189.01-86,068.24

Finding the Fourth Proportional to 180,730.71, 271,189.01 and 86,068.24

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Solution

The fourth proportional to 180,730.71, 271,189.01 and 86,068.24 is: 129,146.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,730.71 : 271,189.01 = 86,068.24 : x
  2. Step 2: Convert to fraction form
    180,730.71/271,189.01 = 86,068.24/x
  3. Step 3: Cross multiply
    180,730.71x = 271,189.01 × 86,068.24
  4. Step 4: Simplify right side
    180,730.71x = 23,340,760,335.24
  5. Step 5: Solve for x
    x = 23,340,760,335.24/180,730.71
  6. Step 6: Final answer
    x = 129,146.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.