Home / 143,663.60-215,495.40-50,167.28

Finding the Fourth Proportional to 143,663.60, 215,495.40 and 50,167.28

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Solution

The fourth proportional to 143,663.60, 215,495.40 and 50,167.28 is: 75,250.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,663.60 : 215,495.40 = 50,167.28 : x
  2. Step 2: Convert to fraction form
    143,663.60/215,495.40 = 50,167.28/x
  3. Step 3: Cross multiply
    143,663.60x = 215,495.40 × 50,167.28
  4. Step 4: Simplify right side
    143,663.60x = 10,810,818,797.38
  5. Step 5: Solve for x
    x = 10,810,818,797.38/143,663.60
  6. Step 6: Final answer
    x = 75,250.92

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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.