Home / 170,711.28-235,661.22-99,077.40

Finding the Fourth Proportional to 170,711.28, 235,661.22 and 99,077.40

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Solution

The fourth proportional to 170,711.28, 235,661.22 and 99,077.40 is: 136,773.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,711.28 : 235,661.22 = 99,077.40 : x
  2. Step 2: Convert to fraction form
    170,711.28/235,661.22 = 99,077.40/x
  3. Step 3: Cross multiply
    170,711.28x = 235,661.22 × 99,077.40
  4. Step 4: Simplify right side
    170,711.28x = 23,348,700,958.43
  5. Step 5: Solve for x
    x = 23,348,700,958.43/170,711.28
  6. Step 6: Final answer
    x = 136,773.04

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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.