Home / 137,875.16-206,832.18-49,102.40

Finding the Fourth Proportional to 137,875.16, 206,832.18 and 49,102.40

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Solution

The fourth proportional to 137,875.16, 206,832.18 and 49,102.40 is: 73,660.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,875.16 : 206,832.18 = 49,102.40 : x
  2. Step 2: Convert to fraction form
    137,875.16/206,832.18 = 49,102.40/x
  3. Step 3: Cross multiply
    137,875.16x = 206,832.18 × 49,102.40
  4. Step 4: Simplify right side
    137,875.16x = 10,155,955,401.07
  5. Step 5: Solve for x
    x = 10,155,955,401.07/137,875.16
  6. Step 6: Final answer
    x = 73,660.52

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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.