Home / 124,777.68-172,173.38-71,063.75

Finding the Fourth Proportional to 124,777.68, 172,173.38 and 71,063.75

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Solution

The fourth proportional to 124,777.68, 172,173.38 and 71,063.75 is: 98,056.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,777.68 : 172,173.38 = 71,063.75 : x
  2. Step 2: Convert to fraction form
    124,777.68/172,173.38 = 71,063.75/x
  3. Step 3: Cross multiply
    124,777.68x = 172,173.38 × 71,063.75
  4. Step 4: Simplify right side
    124,777.68x = 12,235,284,816.79
  5. Step 5: Solve for x
    x = 12,235,284,816.79/124,777.68
  6. Step 6: Final answer
    x = 98,056.68

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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.