Home / 154,313.43-231,470.15-54,476.88

Finding the Fourth Proportional to 154,313.43, 231,470.15 and 54,476.88

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Solution

The fourth proportional to 154,313.43, 231,470.15 and 54,476.88 is: 81,715.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,313.43 : 231,470.15 = 54,476.88 : x
  2. Step 2: Convert to fraction form
    154,313.43/231,470.15 = 54,476.88/x
  3. Step 3: Cross multiply
    154,313.43x = 231,470.15 × 54,476.88
  4. Step 4: Simplify right side
    154,313.43x = 12,609,771,312.75
  5. Step 5: Solve for x
    x = 12,609,771,312.75/154,313.43
  6. Step 6: Final answer
    x = 81,715.32

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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.