Home / 109,506.87-151,119.27-61,760.07

Finding the Fourth Proportional to 109,506.87, 151,119.27 and 61,760.07

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Solution

The fourth proportional to 109,506.87, 151,119.27 and 61,760.07 is: 85,228.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,506.87 : 151,119.27 = 61,760.07 : x
  2. Step 2: Convert to fraction form
    109,506.87/151,119.27 = 61,760.07/x
  3. Step 3: Cross multiply
    109,506.87x = 151,119.27 × 61,760.07
  4. Step 4: Simplify right side
    109,506.87x = 9,333,136,693.55
  5. Step 5: Solve for x
    x = 9,333,136,693.55/109,506.87
  6. Step 6: Final answer
    x = 85,228.78

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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.