Home / 143,718.60-215,561.46-38,529.36

Finding the Fourth Proportional to 143,718.60, 215,561.46 and 38,529.36

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Solution

The fourth proportional to 143,718.60, 215,561.46 and 38,529.36 is: 57,789.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,718.60 : 215,561.46 = 38,529.36 : x
  2. Step 2: Convert to fraction form
    143,718.60/215,561.46 = 38,529.36/x
  3. Step 3: Cross multiply
    143,718.60x = 215,561.46 × 38,529.36
  4. Step 4: Simplify right side
    143,718.60x = 8,305,445,094.47
  5. Step 5: Solve for x
    x = 8,305,445,094.47/143,718.60
  6. Step 6: Final answer
    x = 57,789.63

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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.