Home / 239,132.36-358,698.54-72,918.92

Finding the Fourth Proportional to 239,132.36, 358,698.54 and 72,918.92

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Solution

The fourth proportional to 239,132.36, 358,698.54 and 72,918.92 is: 109,378.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,132.36 : 358,698.54 = 72,918.92 : x
  2. Step 2: Convert to fraction form
    239,132.36/358,698.54 = 72,918.92/x
  3. Step 3: Cross multiply
    239,132.36x = 358,698.54 × 72,918.92
  4. Step 4: Simplify right side
    239,132.36x = 26,155,910,142.38
  5. Step 5: Solve for x
    x = 26,155,910,142.38/239,132.36
  6. Step 6: Final answer
    x = 109,378.38

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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.