Home / 154,220.45-231,304.62-54,357.17

Finding the Fourth Proportional to 154,220.45, 231,304.62 and 54,357.17

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Solution

The fourth proportional to 154,220.45, 231,304.62 and 54,357.17 is: 81,526.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,220.45 : 231,304.62 = 54,357.17 : x
  2. Step 2: Convert to fraction form
    154,220.45/231,304.62 = 54,357.17/x
  3. Step 3: Cross multiply
    154,220.45x = 231,304.62 × 54,357.17
  4. Step 4: Simplify right side
    154,220.45x = 12,573,064,551.13
  5. Step 5: Solve for x
    x = 12,573,064,551.13/154,220.45
  6. Step 6: Final answer
    x = 81,526.57

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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.