Home / 124,911.75-172,373.88-71,214.06

Finding the Fourth Proportional to 124,911.75, 172,373.88 and 71,214.06

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Solution

The fourth proportional to 124,911.75, 172,373.88 and 71,214.06 is: 98,272.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,911.75 : 172,373.88 = 71,214.06 : x
  2. Step 2: Convert to fraction form
    124,911.75/172,373.88 = 71,214.06/x
  3. Step 3: Cross multiply
    124,911.75x = 172,373.88 × 71,214.06
  4. Step 4: Simplify right side
    124,911.75x = 12,275,443,832.75
  5. Step 5: Solve for x
    x = 12,275,443,832.75/124,911.75
  6. Step 6: Final answer
    x = 98,272.93

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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.