Home / 198,092.12-297,030.66-89,962.10

Finding the Fourth Proportional to 198,092.12, 297,030.66 and 89,962.10

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Solution

The fourth proportional to 198,092.12, 297,030.66 and 89,962.10 is: 134,894.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,092.12 : 297,030.66 = 89,962.10 : x
  2. Step 2: Convert to fraction form
    198,092.12/297,030.66 = 89,962.10/x
  3. Step 3: Cross multiply
    198,092.12x = 297,030.66 × 89,962.10
  4. Step 4: Simplify right side
    198,092.12x = 26,721,501,937.99
  5. Step 5: Solve for x
    x = 26,721,501,937.99/198,092.12
  6. Step 6: Final answer
    x = 134,894.32

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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.