Home / 223,724.32-308,670.04-126,912.24

Finding the Fourth Proportional to 223,724.32, 308,670.04 and 126,912.24

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Solution

The fourth proportional to 223,724.32, 308,670.04 and 126,912.24 is: 175,099.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,724.32 : 308,670.04 = 126,912.24 : x
  2. Step 2: Convert to fraction form
    223,724.32/308,670.04 = 126,912.24/x
  3. Step 3: Cross multiply
    223,724.32x = 308,670.04 × 126,912.24
  4. Step 4: Simplify right side
    223,724.32x = 39,174,006,197.29
  5. Step 5: Solve for x
    x = 39,174,006,197.29/223,724.32
  6. Step 6: Final answer
    x = 175,099.45

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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.