Home / 138,979.19-208,466.73-44,215.10

Finding the Fourth Proportional to 138,979.19, 208,466.73 and 44,215.10

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Solution

The fourth proportional to 138,979.19, 208,466.73 and 44,215.10 is: 66,322.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,979.19 : 208,466.73 = 44,215.10 : x
  2. Step 2: Convert to fraction form
    138,979.19/208,466.73 = 44,215.10/x
  3. Step 3: Cross multiply
    138,979.19x = 208,466.73 × 44,215.10
  4. Step 4: Simplify right side
    138,979.19x = 9,217,377,834.79
  5. Step 5: Solve for x
    x = 9,217,377,834.79/138,979.19
  6. Step 6: Final answer
    x = 66,322.00

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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.