Home / 109,064.90-150,502.10-61,325.66

Finding the Fourth Proportional to 109,064.90, 150,502.10 and 61,325.66

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Solution

The fourth proportional to 109,064.90, 150,502.10 and 61,325.66 is: 84,625.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,064.90 : 150,502.10 = 61,325.66 : x
  2. Step 2: Convert to fraction form
    109,064.90/150,502.10 = 61,325.66/x
  3. Step 3: Cross multiply
    109,064.90x = 150,502.10 × 61,325.66
  4. Step 4: Simplify right side
    109,064.90x = 9,229,640,613.89
  5. Step 5: Solve for x
    x = 9,229,640,613.89/109,064.90
  6. Step 6: Final answer
    x = 84,625.22

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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.