Home / 124,146.05-186,236.60-39,877.97

Finding the Fourth Proportional to 124,146.05, 186,236.60 and 39,877.97

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Solution

The fourth proportional to 124,146.05, 186,236.60 and 39,877.97 is: 59,822.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,146.05 : 186,236.60 = 39,877.97 : x
  2. Step 2: Convert to fraction form
    124,146.05/186,236.60 = 39,877.97/x
  3. Step 3: Cross multiply
    124,146.05x = 186,236.60 × 39,877.97
  4. Step 4: Simplify right side
    124,146.05x = 7,426,737,281.41
  5. Step 5: Solve for x
    x = 7,426,737,281.41/124,146.05
  6. Step 6: Final answer
    x = 59,822.58

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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.