Home / 130,432.05-195,515.69-74,155.83

Finding the Fourth Proportional to 130,432.05, 195,515.69 and 74,155.83

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Solution

The fourth proportional to 130,432.05, 195,515.69 and 74,155.83 is: 111,158.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,432.05 : 195,515.69 = 74,155.83 : x
  2. Step 2: Convert to fraction form
    130,432.05/195,515.69 = 74,155.83/x
  3. Step 3: Cross multiply
    130,432.05x = 195,515.69 × 74,155.83
  4. Step 4: Simplify right side
    130,432.05x = 14,498,627,899.19
  5. Step 5: Solve for x
    x = 14,498,627,899.19/130,432.05
  6. Step 6: Final answer
    x = 111,158.48

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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.