Home / 143,928.10-215,892.15-113,860.90

Finding the Fourth Proportional to 143,928.10, 215,892.15 and 113,860.90

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Solution

The fourth proportional to 143,928.10, 215,892.15 and 113,860.90 is: 170,791.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,928.10 : 215,892.15 = 113,860.90 : x
  2. Step 2: Convert to fraction form
    143,928.10/215,892.15 = 113,860.90/x
  3. Step 3: Cross multiply
    143,928.10x = 215,892.15 × 113,860.90
  4. Step 4: Simplify right side
    143,928.10x = 24,581,674,501.94
  5. Step 5: Solve for x
    x = 24,581,674,501.94/143,928.10
  6. Step 6: Final answer
    x = 170,791.35

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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.