Home / 124,204.49-186,309.79-45,318.70

Finding the Fourth Proportional to 124,204.49, 186,309.79 and 45,318.70

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Solution

The fourth proportional to 124,204.49, 186,309.79 and 45,318.70 is: 67,979.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,204.49 : 186,309.79 = 45,318.70 : x
  2. Step 2: Convert to fraction form
    124,204.49/186,309.79 = 45,318.70/x
  3. Step 3: Cross multiply
    124,204.49x = 186,309.79 × 45,318.70
  4. Step 4: Simplify right side
    124,204.49x = 8,443,316,901.00
  5. Step 5: Solve for x
    x = 8,443,316,901.00/124,204.49
  6. Step 6: Final answer
    x = 67,979.16

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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.