Home / 124,941.44-172,416.20-76,562.30

Finding the Fourth Proportional to 124,941.44, 172,416.20 and 76,562.30

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Solution

The fourth proportional to 124,941.44, 172,416.20 and 76,562.30 is: 105,654.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,941.44 : 172,416.20 = 76,562.30 : x
  2. Step 2: Convert to fraction form
    124,941.44/172,416.20 = 76,562.30/x
  3. Step 3: Cross multiply
    124,941.44x = 172,416.20 × 76,562.30
  4. Step 4: Simplify right side
    124,941.44x = 13,200,580,829.26
  5. Step 5: Solve for x
    x = 13,200,580,829.26/124,941.44
  6. Step 6: Final answer
    x = 105,654.14

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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.