Home / 154,349.75-213,035.73-93,939.84

Finding the Fourth Proportional to 154,349.75, 213,035.73 and 93,939.84

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Solution

The fourth proportional to 154,349.75, 213,035.73 and 93,939.84 is: 129,657.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,349.75 : 213,035.73 = 93,939.84 : x
  2. Step 2: Convert to fraction form
    154,349.75/213,035.73 = 93,939.84/x
  3. Step 3: Cross multiply
    154,349.75x = 213,035.73 × 93,939.84
  4. Step 4: Simplify right side
    154,349.75x = 20,012,542,390.48
  5. Step 5: Solve for x
    x = 20,012,542,390.48/154,349.75
  6. Step 6: Final answer
    x = 129,657.11

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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.