Home / 198,071.91-297,157.01-98,279.19

Finding the Fourth Proportional to 198,071.91, 297,157.01 and 98,279.19

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Solution

The fourth proportional to 198,071.91, 297,157.01 and 98,279.19 is: 147,443.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,071.91 : 297,157.01 = 98,279.19 : x
  2. Step 2: Convert to fraction form
    198,071.91/297,157.01 = 98,279.19/x
  3. Step 3: Cross multiply
    198,071.91x = 297,157.01 × 98,279.19
  4. Step 4: Simplify right side
    198,071.91x = 29,204,349,754.23
  5. Step 5: Solve for x
    x = 29,204,349,754.23/198,071.91
  6. Step 6: Final answer
    x = 147,443.17

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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.