Home / 147,727.80-221,376.78-84,352.32

Finding the Fourth Proportional to 147,727.80, 221,376.78 and 84,352.32

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Solution

The fourth proportional to 147,727.80, 221,376.78 and 84,352.32 is: 126,405.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,727.80 : 221,376.78 = 84,352.32 : x
  2. Step 2: Convert to fraction form
    147,727.80/221,376.78 = 84,352.32/x
  3. Step 3: Cross multiply
    147,727.80x = 221,376.78 × 84,352.32
  4. Step 4: Simplify right side
    147,727.80x = 18,673,644,987.13
  5. Step 5: Solve for x
    x = 18,673,644,987.13/147,727.80
  6. Step 6: Final answer
    x = 126,405.76

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1.5x scale

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.