Home / 103,218.07-154,866.54-40,082.52

Finding the Fourth Proportional to 103,218.07, 154,866.54 and 40,082.52

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Solution

The fourth proportional to 103,218.07, 154,866.54 and 40,082.52 is: 60,139.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,218.07 : 154,866.54 = 40,082.52 : x
  2. Step 2: Convert to fraction form
    103,218.07/154,866.54 = 40,082.52/x
  3. Step 3: Cross multiply
    103,218.07x = 154,866.54 × 40,082.52
  4. Step 4: Simplify right side
    103,218.07x = 6,207,441,186.88
  5. Step 5: Solve for x
    x = 6,207,441,186.88/103,218.07
  6. Step 6: Final answer
    x = 60,139.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.