Home / 124,359.40-186,470.70-84,961

Finding the Fourth Proportional to 124,359.40, 186,470.70 and 84,961

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Solution

The fourth proportional to 124,359.40, 186,470.70 and 84,961 is: 127,394.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,359.40 : 186,470.70 = 84,961 : x
  2. Step 2: Convert to fraction form
    124,359.40/186,470.70 = 84,961/x
  3. Step 3: Cross multiply
    124,359.40x = 186,470.70 × 84,961
  4. Step 4: Simplify right side
    124,359.40x = 15,842,737,142.70
  5. Step 5: Solve for x
    x = 15,842,737,142.70/124,359.40
  6. Step 6: Final answer
    x = 127,394.77

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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.