Home / 119,083.68-178,632.24-39,126.72

Finding the Fourth Proportional to 119,083.68, 178,632.24 and 39,126.72

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Solution

The fourth proportional to 119,083.68, 178,632.24 and 39,126.72 is: 58,692.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,083.68 : 178,632.24 = 39,126.72 : x
  2. Step 2: Convert to fraction form
    119,083.68/178,632.24 = 39,126.72/x
  3. Step 3: Cross multiply
    119,083.68x = 178,632.24 × 39,126.72
  4. Step 4: Simplify right side
    119,083.68x = 6,989,293,637.45
  5. Step 5: Solve for x
    x = 6,989,293,637.45/119,083.68
  6. Step 6: Final answer
    x = 58,692.29

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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.