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Finding the Fourth Proportional to 168,111.60, 252,167.40 and 159,582.30

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Solution

The fourth proportional to 168,111.60, 252,167.40 and 159,582.30 is: 239,373.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,111.60 : 252,167.40 = 159,582.30 : x
  2. Step 2: Convert to fraction form
    168,111.60/252,167.40 = 159,582.30/x
  3. Step 3: Cross multiply
    168,111.60x = 252,167.40 × 159,582.30
  4. Step 4: Simplify right side
    168,111.60x = 40,241,453,677.02
  5. Step 5: Solve for x
    x = 40,241,453,677.02/168,111.60
  6. Step 6: Final answer
    x = 239,373.45

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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.