Home / 154,220.80-231,331.20-49,050.40

Finding the Fourth Proportional to 154,220.80, 231,331.20 and 49,050.40

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Solution

The fourth proportional to 154,220.80, 231,331.20 and 49,050.40 is: 73,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,220.80 : 231,331.20 = 49,050.40 : x
  2. Step 2: Convert to fraction form
    154,220.80/231,331.20 = 49,050.40/x
  3. Step 3: Cross multiply
    154,220.80x = 231,331.20 × 49,050.40
  4. Step 4: Simplify right side
    154,220.80x = 11,346,887,892.48
  5. Step 5: Solve for x
    x = 11,346,887,892.48/154,220.80
  6. Step 6: Final answer
    x = 73,575.60

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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.