Home / 124,718.04-172,104.36-71,002.86

Finding the Fourth Proportional to 124,718.04, 172,104.36 and 71,002.86

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Solution

The fourth proportional to 124,718.04, 172,104.36 and 71,002.86 is: 97,980.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,718.04 : 172,104.36 = 71,002.86 : x
  2. Step 2: Convert to fraction form
    124,718.04/172,104.36 = 71,002.86/x
  3. Step 3: Cross multiply
    124,718.04x = 172,104.36 × 71,002.86
  4. Step 4: Simplify right side
    124,718.04x = 12,219,901,778.47
  5. Step 5: Solve for x
    x = 12,219,901,778.47/124,718.04
  6. Step 6: Final answer
    x = 97,980.23

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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.