Home / 159,113.30-238,664.55-40,785.80

Finding the Fourth Proportional to 159,113.30, 238,664.55 and 40,785.80

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Solution

The fourth proportional to 159,113.30, 238,664.55 and 40,785.80 is: 61,177.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,113.30 : 238,664.55 = 40,785.80 : x
  2. Step 2: Convert to fraction form
    159,113.30/238,664.55 = 40,785.80/x
  3. Step 3: Cross multiply
    159,113.30x = 238,664.55 × 40,785.80
  4. Step 4: Simplify right side
    159,113.30x = 9,734,124,603.39
  5. Step 5: Solve for x
    x = 9,734,124,603.39/159,113.30
  6. Step 6: Final answer
    x = 61,177.32

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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.