Home / 109,222.96-150,732.48-61,479.36

Finding the Fourth Proportional to 109,222.96, 150,732.48 and 61,479.36

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Solution

The fourth proportional to 109,222.96, 150,732.48 and 61,479.36 is: 84,844.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,222.96 : 150,732.48 = 61,479.36 : x
  2. Step 2: Convert to fraction form
    109,222.96/150,732.48 = 61,479.36/x
  3. Step 3: Cross multiply
    109,222.96x = 150,732.48 × 61,479.36
  4. Step 4: Simplify right side
    109,222.96x = 9,266,936,401.61
  5. Step 5: Solve for x
    x = 9,266,936,401.61/109,222.96
  6. Step 6: Final answer
    x = 84,844.22

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1.5x scale

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.