Home / 165,966.68-229,031.52-90,515.18

Finding the Fourth Proportional to 165,966.68, 229,031.52 and 90,515.18

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Solution

The fourth proportional to 165,966.68, 229,031.52 and 90,515.18 is: 124,909.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,966.68 : 229,031.52 = 90,515.18 : x
  2. Step 2: Convert to fraction form
    165,966.68/229,031.52 = 90,515.18/x
  3. Step 3: Cross multiply
    165,966.68x = 229,031.52 × 90,515.18
  4. Step 4: Simplify right side
    165,966.68x = 20,730,829,258.47
  5. Step 5: Solve for x
    x = 20,730,829,258.47/165,966.68
  6. Step 6: Final answer
    x = 124,909.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.