Home / 153,308.91-229,974.90-40,986.66

Finding the Fourth Proportional to 153,308.91, 229,974.90 and 40,986.66

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Solution

The fourth proportional to 153,308.91, 229,974.90 and 40,986.66 is: 61,483.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,308.91 : 229,974.90 = 40,986.66 : x
  2. Step 2: Convert to fraction form
    153,308.91/229,974.90 = 40,986.66/x
  3. Step 3: Cross multiply
    153,308.91x = 229,974.90 × 40,986.66
  4. Step 4: Simplify right side
    153,308.91x = 9,425,903,034.83
  5. Step 5: Solve for x
    x = 9,425,903,034.83/153,308.91
  6. Step 6: Final answer
    x = 61,483.07

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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.