Home / 99,319.80-148,979.70-93,617.40

Finding the Fourth Proportional to 99,319.80, 148,979.70 and 93,617.40

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Solution

The fourth proportional to 99,319.80, 148,979.70 and 93,617.40 is: 140,426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,319.80 : 148,979.70 = 93,617.40 : x
  2. Step 2: Convert to fraction form
    99,319.80/148,979.70 = 93,617.40/x
  3. Step 3: Cross multiply
    99,319.80x = 148,979.70 × 93,617.40
  4. Step 4: Simplify right side
    99,319.80x = 13,947,092,166.78
  5. Step 5: Solve for x
    x = 13,947,092,166.78/99,319.80
  6. Step 6: Final answer
    x = 140,426.10

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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.