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Finding the Fourth Proportional to 162,008.67, 223,582.71 and 90,390.24

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Solution

The fourth proportional to 162,008.67, 223,582.71 and 90,390.24 is: 124,744.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,008.67 : 223,582.71 = 90,390.24 : x
  2. Step 2: Convert to fraction form
    162,008.67/223,582.71 = 90,390.24/x
  3. Step 3: Cross multiply
    162,008.67x = 223,582.71 × 90,390.24
  4. Step 4: Simplify right side
    162,008.67x = 20,209,694,816.75
  5. Step 5: Solve for x
    x = 20,209,694,816.75/162,008.67
  6. Step 6: Final answer
    x = 124,744.53

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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.