Home / 106,952.05-147,486.77-71,143.57

Finding the Fourth Proportional to 106,952.05, 147,486.77 and 71,143.57

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Solution

The fourth proportional to 106,952.05, 147,486.77 and 71,143.57 is: 98,106.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,952.05 : 147,486.77 = 71,143.57 : x
  2. Step 2: Convert to fraction form
    106,952.05/147,486.77 = 71,143.57/x
  3. Step 3: Cross multiply
    106,952.05x = 147,486.77 × 71,143.57
  4. Step 4: Simplify right side
    106,952.05x = 10,492,734,608.14
  5. Step 5: Solve for x
    x = 10,492,734,608.14/106,952.05
  6. Step 6: Final answer
    x = 98,106.91

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1.5x scale

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.