Home / 423,264.76-634,916.58-107,724.40

Finding the Fourth Proportional to 423,264.76, 634,916.58 and 107,724.40

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Solution

The fourth proportional to 423,264.76, 634,916.58 and 107,724.40 is: 161,591.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,264.76 : 634,916.58 = 107,724.40 : x
  2. Step 2: Convert to fraction form
    423,264.76/634,916.58 = 107,724.40/x
  3. Step 3: Cross multiply
    423,264.76x = 634,916.58 × 107,724.40
  4. Step 4: Simplify right side
    423,264.76x = 68,396,007,630.55
  5. Step 5: Solve for x
    x = 68,396,007,630.55/423,264.76
  6. Step 6: Final answer
    x = 161,591.55

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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.