Home / 132,053.10-197,820.45-79,305.90

Finding the Fourth Proportional to 132,053.10, 197,820.45 and 79,305.90

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Solution

The fourth proportional to 132,053.10, 197,820.45 and 79,305.90 is: 118,803.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,053.10 : 197,820.45 = 79,305.90 : x
  2. Step 2: Convert to fraction form
    132,053.10/197,820.45 = 79,305.90/x
  3. Step 3: Cross multiply
    132,053.10x = 197,820.45 × 79,305.90
  4. Step 4: Simplify right side
    132,053.10x = 15,688,328,825.66
  5. Step 5: Solve for x
    x = 15,688,328,825.66/132,053.10
  6. Step 6: Final answer
    x = 118,803.18

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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.