Home / 141,432.94-195,180.81-77,770.69

Finding the Fourth Proportional to 141,432.94, 195,180.81 and 77,770.69

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Solution

The fourth proportional to 141,432.94, 195,180.81 and 77,770.69 is: 107,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,432.94 : 195,180.81 = 77,770.69 : x
  2. Step 2: Convert to fraction form
    141,432.94/195,180.81 = 77,770.69/x
  3. Step 3: Cross multiply
    141,432.94x = 195,180.81 × 77,770.69
  4. Step 4: Simplify right side
    141,432.94x = 15,179,346,268.46
  5. Step 5: Solve for x
    x = 15,179,346,268.46/141,432.94
  6. Step 6: Final answer
    x = 107,325.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.