Home / 78,191.08-117,293.52-22,031.68

Finding the Fourth Proportional to 78,191.08, 117,293.52 and 22,031.68

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Solution

The fourth proportional to 78,191.08, 117,293.52 and 22,031.68 is: 33,049.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,191.08 : 117,293.52 = 22,031.68 : x
  2. Step 2: Convert to fraction form
    78,191.08/117,293.52 = 22,031.68/x
  3. Step 3: Cross multiply
    78,191.08x = 117,293.52 × 22,031.68
  4. Step 4: Simplify right side
    78,191.08x = 2,584,173,298.71
  5. Step 5: Solve for x
    x = 2,584,173,298.71/78,191.08
  6. Step 6: Final answer
    x = 33,049.46

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1.5x scale

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.