Home / 124,787.55-172,237.44-71,104.30

Finding the Fourth Proportional to 124,787.55, 172,237.44 and 71,104.30

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Solution

The fourth proportional to 124,787.55, 172,237.44 and 71,104.30 is: 98,141.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,787.55 : 172,237.44 = 71,104.30 : x
  2. Step 2: Convert to fraction form
    124,787.55/172,237.44 = 71,104.30/x
  3. Step 3: Cross multiply
    124,787.55x = 172,237.44 × 71,104.30
  4. Step 4: Simplify right side
    124,787.55x = 12,246,822,604.99
  5. Step 5: Solve for x
    x = 12,246,822,604.99/124,787.55
  6. Step 6: Final answer
    x = 98,141.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.