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Finding the Fourth Proportional to 159,045.36, 238,677.12 and 65,550.48

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Solution

The fourth proportional to 159,045.36, 238,677.12 and 65,550.48 is: 98,370.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,045.36 : 238,677.12 = 65,550.48 : x
  2. Step 2: Convert to fraction form
    159,045.36/238,677.12 = 65,550.48/x
  3. Step 3: Cross multiply
    159,045.36x = 238,677.12 × 65,550.48
  4. Step 4: Simplify right side
    159,045.36x = 15,645,399,781.02
  5. Step 5: Solve for x
    x = 15,645,399,781.02/159,045.36
  6. Step 6: Final answer
    x = 98,370.68

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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.