Home / 130,176.80-195,177.68-51,250.40

Finding the Fourth Proportional to 130,176.80, 195,177.68 and 51,250.40

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Solution

The fourth proportional to 130,176.80, 195,177.68 and 51,250.40 is: 76,841.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,176.80 : 195,177.68 = 51,250.40 : x
  2. Step 2: Convert to fraction form
    130,176.80/195,177.68 = 51,250.40/x
  3. Step 3: Cross multiply
    130,176.80x = 195,177.68 × 51,250.40
  4. Step 4: Simplify right side
    130,176.80x = 10,002,934,171.07
  5. Step 5: Solve for x
    x = 10,002,934,171.07/130,176.80
  6. Step 6: Final answer
    x = 76,841.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.