Home / 152,763.28-229,235.64-82,641.04

Finding the Fourth Proportional to 152,763.28, 229,235.64 and 82,641.04

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Solution

The fourth proportional to 152,763.28, 229,235.64 and 82,641.04 is: 124,010.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,763.28 : 229,235.64 = 82,641.04 : x
  2. Step 2: Convert to fraction form
    152,763.28/229,235.64 = 82,641.04/x
  3. Step 3: Cross multiply
    152,763.28x = 229,235.64 × 82,641.04
  4. Step 4: Simplify right side
    152,763.28x = 18,944,271,694.67
  5. Step 5: Solve for x
    x = 18,944,271,694.67/152,763.28
  6. Step 6: Final answer
    x = 124,010.64

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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.