Home / 154,034.04-231,136.50-75,148.92

Finding the Fourth Proportional to 154,034.04, 231,136.50 and 75,148.92

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Solution

The fourth proportional to 154,034.04, 231,136.50 and 75,148.92 is: 112,765.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,034.04 : 231,136.50 = 75,148.92 : x
  2. Step 2: Convert to fraction form
    154,034.04/231,136.50 = 75,148.92/x
  3. Step 3: Cross multiply
    154,034.04x = 231,136.50 × 75,148.92
  4. Step 4: Simplify right side
    154,034.04x = 17,369,658,347.58
  5. Step 5: Solve for x
    x = 17,369,658,347.58/154,034.04
  6. Step 6: Final answer
    x = 112,765.06

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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.