Home / 131,452.40-197,036.45-52,479.83

Finding the Fourth Proportional to 131,452.40, 197,036.45 and 52,479.83

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Solution

The fourth proportional to 131,452.40, 197,036.45 and 52,479.83 is: 78,663.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,452.40 : 197,036.45 = 52,479.83 : x
  2. Step 2: Convert to fraction form
    131,452.40/197,036.45 = 52,479.83/x
  3. Step 3: Cross multiply
    131,452.40x = 197,036.45 × 52,479.83
  4. Step 4: Simplify right side
    131,452.40x = 10,340,439,826.79
  5. Step 5: Solve for x
    x = 10,340,439,826.79/131,452.40
  6. Step 6: Final answer
    x = 78,663.00

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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.