Home / 132,210.12-198,393.98-47,976.86

Finding the Fourth Proportional to 132,210.12, 198,393.98 and 47,976.86

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Solution

The fourth proportional to 132,210.12, 198,393.98 and 47,976.86 is: 71,993.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,210.12 : 198,393.98 = 47,976.86 : x
  2. Step 2: Convert to fraction form
    132,210.12/198,393.98 = 47,976.86/x
  3. Step 3: Cross multiply
    132,210.12x = 198,393.98 × 47,976.86
  4. Step 4: Simplify right side
    132,210.12x = 9,518,318,971.45
  5. Step 5: Solve for x
    x = 9,518,318,971.45/132,210.12
  6. Step 6: Final answer
    x = 71,993.88

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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.