Home / 243,007.14-335,365.97-135,579.46

Finding the Fourth Proportional to 243,007.14, 335,365.97 and 135,579.46

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Solution

The fourth proportional to 243,007.14, 335,365.97 and 135,579.46 is: 187,108.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,007.14 : 335,365.97 = 135,579.46 : x
  2. Step 2: Convert to fraction form
    243,007.14/335,365.97 = 135,579.46/x
  3. Step 3: Cross multiply
    243,007.14x = 335,365.97 × 135,579.46
  4. Step 4: Simplify right side
    243,007.14x = 45,468,736,518.50
  5. Step 5: Solve for x
    x = 45,468,736,518.50/243,007.14
  6. Step 6: Final answer
    x = 187,108.65

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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.