Home / 156,423.38-216,042.46-106,034.90

Finding the Fourth Proportional to 156,423.38, 216,042.46 and 106,034.90

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Solution

The fourth proportional to 156,423.38, 216,042.46 and 106,034.90 is: 146,448.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,423.38 : 216,042.46 = 106,034.90 : x
  2. Step 2: Convert to fraction form
    156,423.38/216,042.46 = 106,034.90/x
  3. Step 3: Cross multiply
    156,423.38x = 216,042.46 × 106,034.90
  4. Step 4: Simplify right side
    156,423.38x = 22,908,039,296.55
  5. Step 5: Solve for x
    x = 22,908,039,296.55/156,423.38
  6. Step 6: Final answer
    x = 146,448.95

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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.