Home / 153,402.73-230,067.64-69,110.89

Finding the Fourth Proportional to 153,402.73, 230,067.64 and 69,110.89

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Solution

The fourth proportional to 153,402.73, 230,067.64 and 69,110.89 is: 103,649.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,402.73 : 230,067.64 = 69,110.89 : x
  2. Step 2: Convert to fraction form
    153,402.73/230,067.64 = 69,110.89/x
  3. Step 3: Cross multiply
    153,402.73x = 230,067.64 × 69,110.89
  4. Step 4: Simplify right side
    153,402.73x = 15,900,178,871.82
  5. Step 5: Solve for x
    x = 15,900,178,871.82/153,402.73
  6. Step 6: Final answer
    x = 103,649.91

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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.