Home / 124,746.41-172,140.45-71,020.73

Finding the Fourth Proportional to 124,746.41, 172,140.45 and 71,020.73

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Solution

The fourth proportional to 124,746.41, 172,140.45 and 71,020.73 is: 98,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,746.41 : 172,140.45 = 71,020.73 : x
  2. Step 2: Convert to fraction form
    124,746.41/172,140.45 = 71,020.73/x
  3. Step 3: Cross multiply
    124,746.41x = 172,140.45 × 71,020.73
  4. Step 4: Simplify right side
    124,746.41x = 12,225,540,421.53
  5. Step 5: Solve for x
    x = 12,225,540,421.53/124,746.41
  6. Step 6: Final answer
    x = 98,003.14

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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.