Home / 130,229.75-179,718.14-70,613.75

Finding the Fourth Proportional to 130,229.75, 179,718.14 and 70,613.75

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Solution

The fourth proportional to 130,229.75, 179,718.14 and 70,613.75 is: 97,447.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,229.75 : 179,718.14 = 70,613.75 : x
  2. Step 2: Convert to fraction form
    130,229.75/179,718.14 = 70,613.75/x
  3. Step 3: Cross multiply
    130,229.75x = 179,718.14 × 70,613.75
  4. Step 4: Simplify right side
    130,229.75x = 12,690,571,808.43
  5. Step 5: Solve for x
    x = 12,690,571,808.43/130,229.75
  6. Step 6: Final answer
    x = 97,447.56

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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.