Home / 106,987.11-147,646.81-59,240.42

Finding the Fourth Proportional to 106,987.11, 147,646.81 and 59,240.42

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Solution

The fourth proportional to 106,987.11, 147,646.81 and 59,240.42 is: 81,754.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,987.11 : 147,646.81 = 59,240.42 : x
  2. Step 2: Convert to fraction form
    106,987.11/147,646.81 = 59,240.42/x
  3. Step 3: Cross multiply
    106,987.11x = 147,646.81 × 59,240.42
  4. Step 4: Simplify right side
    106,987.11x = 8,746,659,036.06
  5. Step 5: Solve for x
    x = 8,746,659,036.06/106,987.11
  6. Step 6: Final answer
    x = 81,754.33

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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.