Home / 137,389.28-206,113.33-42,617.40

Finding the Fourth Proportional to 137,389.28, 206,113.33 and 42,617.40

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Solution

The fourth proportional to 137,389.28, 206,113.33 and 42,617.40 is: 63,935.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,389.28 : 206,113.33 = 42,617.40 : x
  2. Step 2: Convert to fraction form
    137,389.28/206,113.33 = 42,617.40/x
  3. Step 3: Cross multiply
    137,389.28x = 206,113.33 × 42,617.40
  4. Step 4: Simplify right side
    137,389.28x = 8,784,014,429.95
  5. Step 5: Solve for x
    x = 8,784,014,429.95/137,389.28
  6. Step 6: Final answer
    x = 63,935.23

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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.