Home / 136,467.68-204,729.28-57,581.76

Finding the Fourth Proportional to 136,467.68, 204,729.28 and 57,581.76

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Solution

The fourth proportional to 136,467.68, 204,729.28 and 57,581.76 is: 86,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,467.68 : 204,729.28 = 57,581.76 : x
  2. Step 2: Convert to fraction form
    136,467.68/204,729.28 = 57,581.76/x
  3. Step 3: Cross multiply
    136,467.68x = 204,729.28 × 57,581.76
  4. Step 4: Simplify right side
    136,467.68x = 11,788,672,265.93
  5. Step 5: Solve for x
    x = 11,788,672,265.93/136,467.68
  6. Step 6: Final answer
    x = 86,384.35

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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.