Home / 159,039.85-238,554.30-40,712.21

Finding the Fourth Proportional to 159,039.85, 238,554.30 and 40,712.21

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Solution

The fourth proportional to 159,039.85, 238,554.30 and 40,712.21 is: 61,066.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,039.85 : 238,554.30 = 40,712.21 : x
  2. Step 2: Convert to fraction form
    159,039.85/238,554.30 = 40,712.21/x
  3. Step 3: Cross multiply
    159,039.85x = 238,554.30 × 40,712.21
  4. Step 4: Simplify right side
    159,039.85x = 9,712,072,758.00
  5. Step 5: Solve for x
    x = 9,712,072,758.00/159,039.85
  6. Step 6: Final answer
    x = 61,066.91

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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.