Home / 132,269.24-198,411.35-42,319.86

Finding the Fourth Proportional to 132,269.24, 198,411.35 and 42,319.86

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Solution

The fourth proportional to 132,269.24, 198,411.35 and 42,319.86 is: 63,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,269.24 : 198,411.35 = 42,319.86 : x
  2. Step 2: Convert to fraction form
    132,269.24/198,411.35 = 42,319.86/x
  3. Step 3: Cross multiply
    132,269.24x = 198,411.35 × 42,319.86
  4. Step 4: Simplify right side
    132,269.24x = 8,396,740,342.81
  5. Step 5: Solve for x
    x = 8,396,740,342.81/132,269.24
  6. Step 6: Final answer
    x = 63,482.19

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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.