Home / 124,860.71-172,319.04-71,163.03

Finding the Fourth Proportional to 124,860.71, 172,319.04 and 71,163.03

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Solution

The fourth proportional to 124,860.71, 172,319.04 and 71,163.03 is: 98,211.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,860.71 : 172,319.04 = 71,163.03 : x
  2. Step 2: Convert to fraction form
    124,860.71/172,319.04 = 71,163.03/x
  3. Step 3: Cross multiply
    124,860.71x = 172,319.04 × 71,163.03
  4. Step 4: Simplify right side
    124,860.71x = 12,262,745,659.29
  5. Step 5: Solve for x
    x = 12,262,745,659.29/124,860.71
  6. Step 6: Final answer
    x = 98,211.40

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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.