Home / 252,647.45-348,658.76-137,930.93

Finding the Fourth Proportional to 252,647.45, 348,658.76 and 137,930.93

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Solution

The fourth proportional to 252,647.45, 348,658.76 and 137,930.93 is: 190,347.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,647.45 : 348,658.76 = 137,930.93 : x
  2. Step 2: Convert to fraction form
    252,647.45/348,658.76 = 137,930.93/x
  3. Step 3: Cross multiply
    252,647.45x = 348,658.76 × 137,930.93
  4. Step 4: Simplify right side
    252,647.45x = 48,090,826,928.45
  5. Step 5: Solve for x
    x = 48,090,826,928.45/252,647.45
  6. Step 6: Final answer
    x = 190,347.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.