Home / 160,116.12-240,044.58-66,691.80

Finding the Fourth Proportional to 160,116.12, 240,044.58 and 66,691.80

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Solution

The fourth proportional to 160,116.12, 240,044.58 and 66,691.80 is: 99,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,116.12 : 240,044.58 = 66,691.80 : x
  2. Step 2: Convert to fraction form
    160,116.12/240,044.58 = 66,691.80/x
  3. Step 3: Cross multiply
    160,116.12x = 240,044.58 × 66,691.80
  4. Step 4: Simplify right side
    160,116.12x = 16,009,005,120.44
  5. Step 5: Solve for x
    x = 16,009,005,120.44/160,116.12
  6. Step 6: Final answer
    x = 99,983.72

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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.