Home / 153,380.89-230,126.70-53,555.79

Finding the Fourth Proportional to 153,380.89, 230,126.70 and 53,555.79

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Solution

The fourth proportional to 153,380.89, 230,126.70 and 53,555.79 is: 80,353.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,380.89 : 230,126.70 = 53,555.79 : x
  2. Step 2: Convert to fraction form
    153,380.89/230,126.70 = 53,555.79/x
  3. Step 3: Cross multiply
    153,380.89x = 230,126.70 × 53,555.79
  4. Step 4: Simplify right side
    153,380.89x = 12,324,618,282.40
  5. Step 5: Solve for x
    x = 12,324,618,282.40/153,380.89
  6. Step 6: Final answer
    x = 80,353.02

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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.