Home / 221,832.04-306,121.38-126,352.36

Finding the Fourth Proportional to 221,832.04, 306,121.38 and 126,352.36

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Solution

The fourth proportional to 221,832.04, 306,121.38 and 126,352.36 is: 174,362.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,832.04 : 306,121.38 = 126,352.36 : x
  2. Step 2: Convert to fraction form
    221,832.04/306,121.38 = 126,352.36/x
  3. Step 3: Cross multiply
    221,832.04x = 306,121.38 × 126,352.36
  4. Step 4: Simplify right side
    221,832.04x = 38,679,158,809.46
  5. Step 5: Solve for x
    x = 38,679,158,809.46/221,832.04
  6. Step 6: Final answer
    x = 174,362.36

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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.