Home / 130,353.20-195,616.20-74,193.20

Finding the Fourth Proportional to 130,353.20, 195,616.20 and 74,193.20

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Solution

The fourth proportional to 130,353.20, 195,616.20 and 74,193.20 is: 111,338.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,353.20 : 195,616.20 = 74,193.20 : x
  2. Step 2: Convert to fraction form
    130,353.20/195,616.20 = 74,193.20/x
  3. Step 3: Cross multiply
    130,353.20x = 195,616.20 × 74,193.20
  4. Step 4: Simplify right side
    130,353.20x = 14,513,391,849.84
  5. Step 5: Solve for x
    x = 14,513,391,849.84/130,353.20
  6. Step 6: Final answer
    x = 111,338.98

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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.