Home / 137,948.60-206,926.79-38,108.81

Finding the Fourth Proportional to 137,948.60, 206,926.79 and 38,108.81

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Solution

The fourth proportional to 137,948.60, 206,926.79 and 38,108.81 is: 57,164.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,948.60 : 206,926.79 = 38,108.81 : x
  2. Step 2: Convert to fraction form
    137,948.60/206,926.79 = 38,108.81/x
  3. Step 3: Cross multiply
    137,948.60x = 206,926.79 × 38,108.81
  4. Step 4: Simplify right side
    137,948.60x = 7,885,732,784.66
  5. Step 5: Solve for x
    x = 7,885,732,784.66/137,948.60
  6. Step 6: Final answer
    x = 57,164.28

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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.