Home / 228,123.47-314,812.42-126,155.79

Finding the Fourth Proportional to 228,123.47, 314,812.42 and 126,155.79

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Solution

The fourth proportional to 228,123.47, 314,812.42 and 126,155.79 is: 174,096.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,123.47 : 314,812.42 = 126,155.79 : x
  2. Step 2: Convert to fraction form
    228,123.47/314,812.42 = 126,155.79/x
  3. Step 3: Cross multiply
    228,123.47x = 314,812.42 × 126,155.79
  4. Step 4: Simplify right side
    228,123.47x = 39,715,409,546.91
  5. Step 5: Solve for x
    x = 39,715,409,546.91/228,123.47
  6. Step 6: Final answer
    x = 174,096.11

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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.