Home / 131,590.40-197,414.64-61,431.44

Finding the Fourth Proportional to 131,590.40, 197,414.64 and 61,431.44

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Solution

The fourth proportional to 131,590.40, 197,414.64 and 61,431.44 is: 92,160.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,590.40 : 197,414.64 = 61,431.44 : x
  2. Step 2: Convert to fraction form
    131,590.40/197,414.64 = 61,431.44/x
  3. Step 3: Cross multiply
    131,590.40x = 197,414.64 × 61,431.44
  4. Step 4: Simplify right side
    131,590.40x = 12,127,465,612.28
  5. Step 5: Solve for x
    x = 12,127,465,612.28/131,590.40
  6. Step 6: Final answer
    x = 92,160.72

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1.5x scale

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.