Home / 124,720.04-172,107.12-71,004.86

Finding the Fourth Proportional to 124,720.04, 172,107.12 and 71,004.86

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Solution

The fourth proportional to 124,720.04, 172,107.12 and 71,004.86 is: 97,982.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,720.04 : 172,107.12 = 71,004.86 : x
  2. Step 2: Convert to fraction form
    124,720.04/172,107.12 = 71,004.86/x
  3. Step 3: Cross multiply
    124,720.04x = 172,107.12 × 71,004.86
  4. Step 4: Simplify right side
    124,720.04x = 12,220,441,960.60
  5. Step 5: Solve for x
    x = 12,220,441,960.60/124,720.04
  6. Step 6: Final answer
    x = 97,982.99

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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.