Home / 153,109.28-229,675.44-40,789.04

Finding the Fourth Proportional to 153,109.28, 229,675.44 and 40,789.04

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Solution

The fourth proportional to 153,109.28, 229,675.44 and 40,789.04 is: 61,186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,109.28 : 229,675.44 = 40,789.04 : x
  2. Step 2: Convert to fraction form
    153,109.28/229,675.44 = 40,789.04/x
  3. Step 3: Cross multiply
    153,109.28x = 229,675.44 × 40,789.04
  4. Step 4: Simplify right side
    153,109.28x = 9,368,240,709.18
  5. Step 5: Solve for x
    x = 9,368,240,709.18/153,109.28
  6. Step 6: Final answer
    x = 61,186.63

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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.