Home / 124,315.38-186,477.67-40,076.78

Finding the Fourth Proportional to 124,315.38, 186,477.67 and 40,076.78

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Solution

The fourth proportional to 124,315.38, 186,477.67 and 40,076.78 is: 60,116.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,315.38 : 186,477.67 = 40,076.78 : x
  2. Step 2: Convert to fraction form
    124,315.38/186,477.67 = 40,076.78/x
  3. Step 3: Cross multiply
    124,315.38x = 186,477.67 × 40,076.78
  4. Step 4: Simplify right side
    124,315.38x = 7,473,423,560.49
  5. Step 5: Solve for x
    x = 7,473,423,560.49/124,315.38
  6. Step 6: Final answer
    x = 60,116.64

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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.