Home / 109,186.74-150,665.49-61,456.50

Finding the Fourth Proportional to 109,186.74, 150,665.49 and 61,456.50

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Solution

The fourth proportional to 109,186.74, 150,665.49 and 61,456.50 is: 84,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,186.74 : 150,665.49 = 61,456.50 : x
  2. Step 2: Convert to fraction form
    109,186.74/150,665.49 = 61,456.50/x
  3. Step 3: Cross multiply
    109,186.74x = 150,665.49 × 61,456.50
  4. Step 4: Simplify right side
    109,186.74x = 9,259,373,686.19
  5. Step 5: Solve for x
    x = 9,259,373,686.19/109,186.74
  6. Step 6: Final answer
    x = 84,803.10

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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.