Home / 243,072.81-335,440.55-134,177.22

Finding the Fourth Proportional to 243,072.81, 335,440.55 and 134,177.22

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Solution

The fourth proportional to 243,072.81, 335,440.55 and 134,177.22 is: 185,164.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,072.81 : 335,440.55 = 134,177.22 : x
  2. Step 2: Convert to fraction form
    243,072.81/335,440.55 = 134,177.22/x
  3. Step 3: Cross multiply
    243,072.81x = 335,440.55 × 134,177.22
  4. Step 4: Simplify right side
    243,072.81x = 45,008,480,474.27
  5. Step 5: Solve for x
    x = 45,008,480,474.27/243,072.81
  6. Step 6: Final answer
    x = 185,164.60

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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.