Home / 158,502.10-218,755.30-98,092.20

Finding the Fourth Proportional to 158,502.10, 218,755.30 and 98,092.20

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Solution

The fourth proportional to 158,502.10, 218,755.30 and 98,092.20 is: 135,381.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,502.10 : 218,755.30 = 98,092.20 : x
  2. Step 2: Convert to fraction form
    158,502.10/218,755.30 = 98,092.20/x
  3. Step 3: Cross multiply
    158,502.10x = 218,755.30 × 98,092.20
  4. Step 4: Simplify right side
    158,502.10x = 21,458,188,638.66
  5. Step 5: Solve for x
    x = 21,458,188,638.66/158,502.10
  6. Step 6: Final answer
    x = 135,381.10

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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.