Home / 130,229.20-195,430.20-74,069.20

Finding the Fourth Proportional to 130,229.20, 195,430.20 and 74,069.20

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Solution

The fourth proportional to 130,229.20, 195,430.20 and 74,069.20 is: 111,152.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,229.20 : 195,430.20 = 74,069.20 : x
  2. Step 2: Convert to fraction form
    130,229.20/195,430.20 = 74,069.20/x
  3. Step 3: Cross multiply
    130,229.20x = 195,430.20 × 74,069.20
  4. Step 4: Simplify right side
    130,229.20x = 14,475,358,569.84
  5. Step 5: Solve for x
    x = 14,475,358,569.84/130,229.20
  6. Step 6: Final answer
    x = 111,152.94

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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.