Home / 124,346.40-186,548.70-49,470.78

Finding the Fourth Proportional to 124,346.40, 186,548.70 and 49,470.78

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Solution

The fourth proportional to 124,346.40, 186,548.70 and 49,470.78 is: 74,217.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,346.40 : 186,548.70 = 49,470.78 : x
  2. Step 2: Convert to fraction form
    124,346.40/186,548.70 = 49,470.78/x
  3. Step 3: Cross multiply
    124,346.40x = 186,548.70 × 49,470.78
  4. Step 4: Simplify right side
    124,346.40x = 9,228,709,696.99
  5. Step 5: Solve for x
    x = 9,228,709,696.99/124,346.40
  6. Step 6: Final answer
    x = 74,217.75

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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.