Home / 106,959.32-147,628.64-71,150.84

Finding the Fourth Proportional to 106,959.32, 147,628.64 and 71,150.84

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Solution

The fourth proportional to 106,959.32, 147,628.64 and 71,150.84 is: 98,204.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,959.32 : 147,628.64 = 71,150.84 : x
  2. Step 2: Convert to fraction form
    106,959.32/147,628.64 = 71,150.84/x
  3. Step 3: Cross multiply
    106,959.32x = 147,628.64 × 71,150.84
  4. Step 4: Simplify right side
    106,959.32x = 10,503,901,744.06
  5. Step 5: Solve for x
    x = 10,503,901,744.06/106,959.32
  6. Step 6: Final answer
    x = 98,204.64

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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.