Home / 130,344.88-179,834.10-72,975.74

Finding the Fourth Proportional to 130,344.88, 179,834.10 and 72,975.74

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Solution

The fourth proportional to 130,344.88, 179,834.10 and 72,975.74 is: 100,683.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,344.88 : 179,834.10 = 72,975.74 : x
  2. Step 2: Convert to fraction form
    130,344.88/179,834.10 = 72,975.74/x
  3. Step 3: Cross multiply
    130,344.88x = 179,834.10 × 72,975.74
  4. Step 4: Simplify right side
    130,344.88x = 13,123,526,524.73
  5. Step 5: Solve for x
    x = 13,123,526,524.73/130,344.88
  6. Step 6: Final answer
    x = 100,683.10

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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.