Home / 130,381.20-195,280.20-127,465.20

Finding the Fourth Proportional to 130,381.20, 195,280.20 and 127,465.20

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Solution

The fourth proportional to 130,381.20, 195,280.20 and 127,465.20 is: 190,912.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,381.20 : 195,280.20 = 127,465.20 : x
  2. Step 2: Convert to fraction form
    130,381.20/195,280.20 = 127,465.20/x
  3. Step 3: Cross multiply
    130,381.20x = 195,280.20 × 127,465.20
  4. Step 4: Simplify right side
    130,381.20x = 24,891,429,749.04
  5. Step 5: Solve for x
    x = 24,891,429,749.04/130,381.20
  6. Step 6: Final answer
    x = 190,912.72

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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.