Home / 243,500.72-336,048.84-140,166.32

Finding the Fourth Proportional to 243,500.72, 336,048.84 and 140,166.32

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Solution

The fourth proportional to 243,500.72, 336,048.84 and 140,166.32 is: 193,439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,500.72 : 336,048.84 = 140,166.32 : x
  2. Step 2: Convert to fraction form
    243,500.72/336,048.84 = 140,166.32/x
  3. Step 3: Cross multiply
    243,500.72x = 336,048.84 × 140,166.32
  4. Step 4: Simplify right side
    243,500.72x = 47,102,729,243.07
  5. Step 5: Solve for x
    x = 47,102,729,243.07/243,500.72
  6. Step 6: Final answer
    x = 193,439.79

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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.