Home / 131,010.64-196,496.80-64,432.92

Finding the Fourth Proportional to 131,010.64, 196,496.80 and 64,432.92

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Solution

The fourth proportional to 131,010.64, 196,496.80 and 64,432.92 is: 96,639.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,010.64 : 196,496.80 = 64,432.92 : x
  2. Step 2: Convert to fraction form
    131,010.64/196,496.80 = 64,432.92/x
  3. Step 3: Cross multiply
    131,010.64x = 196,496.80 × 64,432.92
  4. Step 4: Simplify right side
    131,010.64x = 12,660,862,594.66
  5. Step 5: Solve for x
    x = 12,660,862,594.66/131,010.64
  6. Step 6: Final answer
    x = 96,639.96

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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.