Home / 109,320.07-150,857.76-61,577.86

Finding the Fourth Proportional to 109,320.07, 150,857.76 and 61,577.86

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Solution

The fourth proportional to 109,320.07, 150,857.76 and 61,577.86 is: 84,975.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,320.07 : 150,857.76 = 61,577.86 : x
  2. Step 2: Convert to fraction form
    109,320.07/150,857.76 = 61,577.86/x
  3. Step 3: Cross multiply
    109,320.07x = 150,857.76 × 61,577.86
  4. Step 4: Simplify right side
    109,320.07x = 9,289,498,025.19
  5. Step 5: Solve for x
    x = 9,289,498,025.19/109,320.07
  6. Step 6: Final answer
    x = 84,975.23

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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.