Home / 109,249.02-150,763.50-61,517.79

Finding the Fourth Proportional to 109,249.02, 150,763.50 and 61,517.79

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Solution

The fourth proportional to 109,249.02, 150,763.50 and 61,517.79 is: 84,894.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,249.02 : 150,763.50 = 61,517.79 : x
  2. Step 2: Convert to fraction form
    109,249.02/150,763.50 = 61,517.79/x
  3. Step 3: Cross multiply
    109,249.02x = 150,763.50 × 61,517.79
  4. Step 4: Simplify right side
    109,249.02x = 9,274,637,332.67
  5. Step 5: Solve for x
    x = 9,274,637,332.67/109,249.02
  6. Step 6: Final answer
    x = 84,894.47

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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.