Home / 137,448.51-206,205.05-42,673.80

Finding the Fourth Proportional to 137,448.51, 206,205.05 and 42,673.80

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Solution

The fourth proportional to 137,448.51, 206,205.05 and 42,673.80 is: 64,020.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,448.51 : 206,205.05 = 42,673.80 : x
  2. Step 2: Convert to fraction form
    137,448.51/206,205.05 = 42,673.80/x
  3. Step 3: Cross multiply
    137,448.51x = 206,205.05 × 42,673.80
  4. Step 4: Simplify right side
    137,448.51x = 8,799,552,849.32
  5. Step 5: Solve for x
    x = 8,799,552,849.32/137,448.51
  6. Step 6: Final answer
    x = 64,020.72

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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.