Home / 143,236.38-214,877.78-48,472.40

Finding the Fourth Proportional to 143,236.38, 214,877.78 and 48,472.40

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Solution

The fourth proportional to 143,236.38, 214,877.78 and 48,472.40 is: 72,716.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,236.38 : 214,877.78 = 48,472.40 : x
  2. Step 2: Convert to fraction form
    143,236.38/214,877.78 = 48,472.40/x
  3. Step 3: Cross multiply
    143,236.38x = 214,877.78 × 48,472.40
  4. Step 4: Simplify right side
    143,236.38x = 10,415,641,703.27
  5. Step 5: Solve for x
    x = 10,415,641,703.27/143,236.38
  6. Step 6: Final answer
    x = 72,716.45

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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.