Home / 154,235.70-231,353.55-148,330.80

Finding the Fourth Proportional to 154,235.70, 231,353.55 and 148,330.80

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Solution

The fourth proportional to 154,235.70, 231,353.55 and 148,330.80 is: 222,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,235.70 : 231,353.55 = 148,330.80 : x
  2. Step 2: Convert to fraction form
    154,235.70/231,353.55 = 148,330.80/x
  3. Step 3: Cross multiply
    154,235.70x = 231,353.55 × 148,330.80
  4. Step 4: Simplify right side
    154,235.70x = 34,316,857,154.34
  5. Step 5: Solve for x
    x = 34,316,857,154.34/154,235.70
  6. Step 6: Final answer
    x = 222,496.20

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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.