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Finding the Fourth Proportional to 158,052.52, 218,105.52 and 90,084.22

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Solution

The fourth proportional to 158,052.52, 218,105.52 and 90,084.22 is: 124,312.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,052.52 : 218,105.52 = 90,084.22 : x
  2. Step 2: Convert to fraction form
    158,052.52/218,105.52 = 90,084.22/x
  3. Step 3: Cross multiply
    158,052.52x = 218,105.52 × 90,084.22
  4. Step 4: Simplify right side
    158,052.52x = 19,647,865,646.89
  5. Step 5: Solve for x
    x = 19,647,865,646.89/158,052.52
  6. Step 6: Final answer
    x = 124,312.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.