Home / 154,108.16-231,229.02-54,339.62

Finding the Fourth Proportional to 154,108.16, 231,229.02 and 54,339.62

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Solution

The fourth proportional to 154,108.16, 231,229.02 and 54,339.62 is: 81,532.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,108.16 : 231,229.02 = 54,339.62 : x
  2. Step 2: Convert to fraction form
    154,108.16/231,229.02 = 54,339.62/x
  3. Step 3: Cross multiply
    154,108.16x = 231,229.02 × 54,339.62
  4. Step 4: Simplify right side
    154,108.16x = 12,564,897,079.77
  5. Step 5: Solve for x
    x = 12,564,897,079.77/154,108.16
  6. Step 6: Final answer
    x = 81,532.98

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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.