Home / 159,132.78-238,681.32-40,806.90

Finding the Fourth Proportional to 159,132.78, 238,681.32 and 40,806.90

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Solution

The fourth proportional to 159,132.78, 238,681.32 and 40,806.90 is: 61,205.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,132.78 : 238,681.32 = 40,806.90 : x
  2. Step 2: Convert to fraction form
    159,132.78/238,681.32 = 40,806.90/x
  3. Step 3: Cross multiply
    159,132.78x = 238,681.32 × 40,806.90
  4. Step 4: Simplify right side
    159,132.78x = 9,739,844,757.11
  5. Step 5: Solve for x
    x = 9,739,844,757.11/159,132.78
  6. Step 6: Final answer
    x = 61,205.77

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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.