Home / 219,724.56-303,184.02-127,864.43

Finding the Fourth Proportional to 219,724.56, 303,184.02 and 127,864.43

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Solution

The fourth proportional to 219,724.56, 303,184.02 and 127,864.43 is: 176,432.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,724.56 : 303,184.02 = 127,864.43 : x
  2. Step 2: Convert to fraction form
    219,724.56/303,184.02 = 127,864.43/x
  3. Step 3: Cross multiply
    219,724.56x = 303,184.02 × 127,864.43
  4. Step 4: Simplify right side
    219,724.56x = 38,766,450,386.49
  5. Step 5: Solve for x
    x = 38,766,450,386.49/219,724.56
  6. Step 6: Final answer
    x = 176,432.03

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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.