Home / 154,158.30-231,237.45-119,123.10

Finding the Fourth Proportional to 154,158.30, 231,237.45 and 119,123.10

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Solution

The fourth proportional to 154,158.30, 231,237.45 and 119,123.10 is: 178,684.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,158.30 : 231,237.45 = 119,123.10 : x
  2. Step 2: Convert to fraction form
    154,158.30/231,237.45 = 119,123.10/x
  3. Step 3: Cross multiply
    154,158.30x = 231,237.45 × 119,123.10
  4. Step 4: Simplify right side
    154,158.30x = 27,545,721,880.10
  5. Step 5: Solve for x
    x = 27,545,721,880.10/154,158.30
  6. Step 6: Final answer
    x = 178,684.65

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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.