Home / 198,158.40-297,320.98-123,341.14

Finding the Fourth Proportional to 198,158.40, 297,320.98 and 123,341.14

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Solution

The fourth proportional to 198,158.40, 297,320.98 and 123,341.14 is: 185,063.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,158.40 : 297,320.98 = 123,341.14 : x
  2. Step 2: Convert to fraction form
    198,158.40/297,320.98 = 123,341.14/x
  3. Step 3: Cross multiply
    198,158.40x = 297,320.98 × 123,341.14
  4. Step 4: Simplify right side
    198,158.40x = 36,671,908,619.12
  5. Step 5: Solve for x
    x = 36,671,908,619.12/198,158.40
  6. Step 6: Final answer
    x = 185,063.61

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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.