Home / 136,434.24-204,690.24-99,031.68

Finding the Fourth Proportional to 136,434.24, 204,690.24 and 99,031.68

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Solution

The fourth proportional to 136,434.24, 204,690.24 and 99,031.68 is: 148,575.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,434.24 : 204,690.24 = 99,031.68 : x
  2. Step 2: Convert to fraction form
    136,434.24/204,690.24 = 99,031.68/x
  3. Step 3: Cross multiply
    136,434.24x = 204,690.24 × 99,031.68
  4. Step 4: Simplify right side
    136,434.24x = 20,270,818,346.80
  5. Step 5: Solve for x
    x = 20,270,818,346.80/136,434.24
  6. Step 6: Final answer
    x = 148,575.74

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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.