Home / 123,849.90-185,738.40-35,111.16

Finding the Fourth Proportional to 123,849.90, 185,738.40 and 35,111.16

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Solution

The fourth proportional to 123,849.90, 185,738.40 and 35,111.16 is: 52,656.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,849.90 : 185,738.40 = 35,111.16 : x
  2. Step 2: Convert to fraction form
    123,849.90/185,738.40 = 35,111.16/x
  3. Step 3: Cross multiply
    123,849.90x = 185,738.40 × 35,111.16
  4. Step 4: Simplify right side
    123,849.90x = 6,521,490,680.54
  5. Step 5: Solve for x
    x = 6,521,490,680.54/123,849.90
  6. Step 6: Final answer
    x = 52,656.41

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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.