Home / 137,458.81-206,221.02-48,720.07

Finding the Fourth Proportional to 137,458.81, 206,221.02 and 48,720.07

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Solution

The fourth proportional to 137,458.81, 206,221.02 and 48,720.07 is: 73,091.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,458.81 : 206,221.02 = 48,720.07 : x
  2. Step 2: Convert to fraction form
    137,458.81/206,221.02 = 48,720.07/x
  3. Step 3: Cross multiply
    137,458.81x = 206,221.02 × 48,720.07
  4. Step 4: Simplify right side
    137,458.81x = 10,047,102,529.87
  5. Step 5: Solve for x
    x = 10,047,102,529.87/137,458.81
  6. Step 6: Final answer
    x = 73,091.73

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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.