Home / 227,769.41-314,307.99-137,154.71

Finding the Fourth Proportional to 227,769.41, 314,307.99 and 137,154.71

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Solution

The fourth proportional to 227,769.41, 314,307.99 and 137,154.71 is: 189,265.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,769.41 : 314,307.99 = 137,154.71 : x
  2. Step 2: Convert to fraction form
    227,769.41/314,307.99 = 137,154.71/x
  3. Step 3: Cross multiply
    227,769.41x = 314,307.99 × 137,154.71
  4. Step 4: Simplify right side
    227,769.41x = 43,108,822,004.90
  5. Step 5: Solve for x
    x = 43,108,822,004.90/227,769.41
  6. Step 6: Final answer
    x = 189,265.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.