Home / 109,032.56-150,442.88-63,701.78

Finding the Fourth Proportional to 109,032.56, 150,442.88 and 63,701.78

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Solution

The fourth proportional to 109,032.56, 150,442.88 and 63,701.78 is: 87,895.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,032.56 : 150,442.88 = 63,701.78 : x
  2. Step 2: Convert to fraction form
    109,032.56/150,442.88 = 63,701.78/x
  3. Step 3: Cross multiply
    109,032.56x = 150,442.88 × 63,701.78
  4. Step 4: Simplify right side
    109,032.56x = 9,583,479,301.92
  5. Step 5: Solve for x
    x = 9,583,479,301.92/109,032.56
  6. Step 6: Final answer
    x = 87,895.58

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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.