Home / 198,160.29-297,295.52-79,803.90

Finding the Fourth Proportional to 198,160.29, 297,295.52 and 79,803.90

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Solution

The fourth proportional to 198,160.29, 297,295.52 and 79,803.90 is: 119,728.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,160.29 : 297,295.52 = 79,803.90 : x
  2. Step 2: Convert to fraction form
    198,160.29/297,295.52 = 79,803.90/x
  3. Step 3: Cross multiply
    198,160.29x = 297,295.52 × 79,803.90
  4. Step 4: Simplify right side
    198,160.29x = 23,725,341,549.51
  5. Step 5: Solve for x
    x = 23,725,341,549.51/198,160.29
  6. Step 6: Final answer
    x = 119,728.03

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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.