Home / 107,988.24-162,031.60-55,434.66

Finding the Fourth Proportional to 107,988.24, 162,031.60 and 55,434.66

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Solution

The fourth proportional to 107,988.24, 162,031.60 and 55,434.66 is: 83,177.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,988.24 : 162,031.60 = 55,434.66 : x
  2. Step 2: Convert to fraction form
    107,988.24/162,031.60 = 55,434.66/x
  3. Step 3: Cross multiply
    107,988.24x = 162,031.60 × 55,434.66
  4. Step 4: Simplify right side
    107,988.24x = 8,982,166,655.26
  5. Step 5: Solve for x
    x = 8,982,166,655.26/107,988.24
  6. Step 6: Final answer
    x = 83,177.27

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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.