Home / 143,928.60-215,892.90-113,861.40

Finding the Fourth Proportional to 143,928.60, 215,892.90 and 113,861.40

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Solution

The fourth proportional to 143,928.60, 215,892.90 and 113,861.40 is: 170,792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,928.60 : 215,892.90 = 113,861.40 : x
  2. Step 2: Convert to fraction form
    143,928.60/215,892.90 = 113,861.40/x
  3. Step 3: Cross multiply
    143,928.60x = 215,892.90 × 113,861.40
  4. Step 4: Simplify right side
    143,928.60x = 24,581,867,844.06
  5. Step 5: Solve for x
    x = 24,581,867,844.06/143,928.60
  6. Step 6: Final answer
    x = 170,792.10

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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.