Home / 109,569.92-151,189.76-64,244.48

Finding the Fourth Proportional to 109,569.92, 151,189.76 and 64,244.48

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Solution

The fourth proportional to 109,569.92, 151,189.76 and 64,244.48 is: 88,647.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,569.92 : 151,189.76 = 64,244.48 : x
  2. Step 2: Convert to fraction form
    109,569.92/151,189.76 = 64,244.48/x
  3. Step 3: Cross multiply
    109,569.92x = 151,189.76 × 64,244.48
  4. Step 4: Simplify right side
    109,569.92x = 9,713,107,512.52
  5. Step 5: Solve for x
    x = 9,713,107,512.52/109,569.92
  6. Step 6: Final answer
    x = 88,647.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.