Home / 153,301.90-229,964.31-40,979.54

Finding the Fourth Proportional to 153,301.90, 229,964.31 and 40,979.54

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Solution

The fourth proportional to 153,301.90, 229,964.31 and 40,979.54 is: 61,472.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,301.90 : 229,964.31 = 40,979.54 : x
  2. Step 2: Convert to fraction form
    153,301.90/229,964.31 = 40,979.54/x
  3. Step 3: Cross multiply
    153,301.90x = 229,964.31 × 40,979.54
  4. Step 4: Simplify right side
    153,301.90x = 9,423,831,640.22
  5. Step 5: Solve for x
    x = 9,423,831,640.22/153,301.90
  6. Step 6: Final answer
    x = 61,472.37

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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.