Home / 124,810.96-172,235.28-71,103.64

Finding the Fourth Proportional to 124,810.96, 172,235.28 and 71,103.64

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Solution

The fourth proportional to 124,810.96, 172,235.28 and 71,103.64 is: 98,120.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,810.96 : 172,235.28 = 71,103.64 : x
  2. Step 2: Convert to fraction form
    124,810.96/172,235.28 = 71,103.64/x
  3. Step 3: Cross multiply
    124,810.96x = 172,235.28 × 71,103.64
  4. Step 4: Simplify right side
    124,810.96x = 12,246,555,344.42
  5. Step 5: Solve for x
    x = 12,246,555,344.42/124,810.96
  6. Step 6: Final answer
    x = 98,120.83

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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.