Home / 143,934.60-215,901.90-113,867.40

Finding the Fourth Proportional to 143,934.60, 215,901.90 and 113,867.40

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Solution

The fourth proportional to 143,934.60, 215,901.90 and 113,867.40 is: 170,801.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,934.60 : 215,901.90 = 113,867.40 : x
  2. Step 2: Convert to fraction form
    143,934.60/215,901.90 = 113,867.40/x
  3. Step 3: Cross multiply
    143,934.60x = 215,901.90 × 113,867.40
  4. Step 4: Simplify right side
    143,934.60x = 24,584,188,008.06
  5. Step 5: Solve for x
    x = 24,584,188,008.06/143,934.60
  6. Step 6: Final answer
    x = 170,801.10

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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.