Home / 243,203.04-335,560.96-142,581.60

Finding the Fourth Proportional to 243,203.04, 335,560.96 and 142,581.60

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Solution

The fourth proportional to 243,203.04, 335,560.96 and 142,581.60 is: 196,727.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,203.04 : 335,560.96 = 142,581.60 : x
  2. Step 2: Convert to fraction form
    243,203.04/335,560.96 = 142,581.60/x
  3. Step 3: Cross multiply
    243,203.04x = 335,560.96 × 142,581.60
  4. Step 4: Simplify right side
    243,203.04x = 47,844,818,574.34
  5. Step 5: Solve for x
    x = 47,844,818,574.34/243,203.04
  6. Step 6: Final answer
    x = 196,727.88

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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.