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Finding the Fourth Proportional to 162,656.97, 224,473.63 and 90,059.86

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Solution

The fourth proportional to 162,656.97, 224,473.63 and 90,059.86 is: 124,286.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,656.97 : 224,473.63 = 90,059.86 : x
  2. Step 2: Convert to fraction form
    162,656.97/224,473.63 = 90,059.86/x
  3. Step 3: Cross multiply
    162,656.97x = 224,473.63 × 90,059.86
  4. Step 4: Simplify right side
    162,656.97x = 20,216,063,664.40
  5. Step 5: Solve for x
    x = 20,216,063,664.40/162,656.97
  6. Step 6: Final answer
    x = 124,286.49

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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.