Home / 162,422.08-243,633.20-87,577.47

Finding the Fourth Proportional to 162,422.08, 243,633.20 and 87,577.47

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Solution

The fourth proportional to 162,422.08, 243,633.20 and 87,577.47 is: 131,366.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,422.08 : 243,633.20 = 87,577.47 : x
  2. Step 2: Convert to fraction form
    162,422.08/243,633.20 = 87,577.47/x
  3. Step 3: Cross multiply
    162,422.08x = 243,633.20 × 87,577.47
  4. Step 4: Simplify right side
    162,422.08x = 21,336,778,826.12
  5. Step 5: Solve for x
    x = 21,336,778,826.12/162,422.08
  6. Step 6: Final answer
    x = 131,366.25

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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.