Home / 223,298.07-308,073.78-142,772.73

Finding the Fourth Proportional to 223,298.07, 308,073.78 and 142,772.73

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Solution

The fourth proportional to 223,298.07, 308,073.78 and 142,772.73 is: 196,976.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,298.07 : 308,073.78 = 142,772.73 : x
  2. Step 2: Convert to fraction form
    223,298.07/308,073.78 = 142,772.73/x
  3. Step 3: Cross multiply
    223,298.07x = 308,073.78 × 142,772.73
  4. Step 4: Simplify right side
    223,298.07x = 43,984,534,612.02
  5. Step 5: Solve for x
    x = 43,984,534,612.02/223,298.07
  6. Step 6: Final answer
    x = 196,976.78

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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.