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Finding the Fourth Proportional to 162,549.80, 224,308.12 and 90,917.40

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Solution

The fourth proportional to 162,549.80, 224,308.12 and 90,917.40 is: 125,460.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,549.80 : 224,308.12 = 90,917.40 : x
  2. Step 2: Convert to fraction form
    162,549.80/224,308.12 = 90,917.40/x
  3. Step 3: Cross multiply
    162,549.80x = 224,308.12 × 90,917.40
  4. Step 4: Simplify right side
    162,549.80x = 20,393,511,069.29
  5. Step 5: Solve for x
    x = 20,393,511,069.29/162,549.80
  6. Step 6: Final answer
    x = 125,460.08

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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.