Home / 137,635.20-206,457.12-48,887.28

Finding the Fourth Proportional to 137,635.20, 206,457.12 and 48,887.28

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Solution

The fourth proportional to 137,635.20, 206,457.12 and 48,887.28 is: 73,332.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,635.20 : 206,457.12 = 48,887.28 : x
  2. Step 2: Convert to fraction form
    137,635.20/206,457.12 = 48,887.28/x
  3. Step 3: Cross multiply
    137,635.20x = 206,457.12 × 48,887.28
  4. Step 4: Simplify right side
    137,635.20x = 10,093,127,033.43
  5. Step 5: Solve for x
    x = 10,093,127,033.43/137,635.20
  6. Step 6: Final answer
    x = 73,332.45

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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.