Home / 106,860.75-147,463.38-59,111.07

Finding the Fourth Proportional to 106,860.75, 147,463.38 and 59,111.07

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Solution

The fourth proportional to 106,860.75, 147,463.38 and 59,111.07 is: 81,570.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,860.75 : 147,463.38 = 59,111.07 : x
  2. Step 2: Convert to fraction form
    106,860.75/147,463.38 = 59,111.07/x
  3. Step 3: Cross multiply
    106,860.75x = 147,463.38 × 59,111.07
  4. Step 4: Simplify right side
    106,860.75x = 8,716,718,177.62
  5. Step 5: Solve for x
    x = 8,716,718,177.62/106,860.75
  6. Step 6: Final answer
    x = 81,570.81

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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.