Home / 131,433.40-197,319.59-112,832.96

Finding the Fourth Proportional to 131,433.40, 197,319.59 and 112,832.96

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Solution

The fourth proportional to 131,433.40, 197,319.59 and 112,832.96 is: 169,394.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,433.40 : 197,319.59 = 112,832.96 : x
  2. Step 2: Convert to fraction form
    131,433.40/197,319.59 = 112,832.96/x
  3. Step 3: Cross multiply
    131,433.40x = 197,319.59 × 112,832.96
  4. Step 4: Simplify right side
    131,433.40x = 22,264,152,841.52
  5. Step 5: Solve for x
    x = 22,264,152,841.52/131,433.40
  6. Step 6: Final answer
    x = 169,394.95

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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.