Home / 243,072.56-335,440.16-134,176.94

Finding the Fourth Proportional to 243,072.56, 335,440.16 and 134,176.94

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Solution

The fourth proportional to 243,072.56, 335,440.16 and 134,176.94 is: 185,164.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,072.56 : 335,440.16 = 134,176.94 : x
  2. Step 2: Convert to fraction form
    243,072.56/335,440.16 = 134,176.94/x
  3. Step 3: Cross multiply
    243,072.56x = 335,440.16 × 134,176.94
  4. Step 4: Simplify right side
    243,072.56x = 45,008,332,880.15
  5. Step 5: Solve for x
    x = 45,008,332,880.15/243,072.56
  6. Step 6: Final answer
    x = 185,164.18

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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.