Home / 143,526.48-215,272.80-38,353.56

Finding the Fourth Proportional to 143,526.48, 215,272.80 and 38,353.56

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Solution

The fourth proportional to 143,526.48, 215,272.80 and 38,353.56 is: 57,525.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,526.48 : 215,272.80 = 38,353.56 : x
  2. Step 2: Convert to fraction form
    143,526.48/215,272.80 = 38,353.56/x
  3. Step 3: Cross multiply
    143,526.48x = 215,272.80 × 38,353.56
  4. Step 4: Simplify right side
    143,526.48x = 8,256,478,251.17
  5. Step 5: Solve for x
    x = 8,256,478,251.17/143,526.48
  6. Step 6: Final answer
    x = 57,525.82

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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.