Home / 247,919.28-342,114.72-134,741.28

Finding the Fourth Proportional to 247,919.28, 342,114.72 and 134,741.28

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Solution

The fourth proportional to 247,919.28, 342,114.72 and 134,741.28 is: 185,935.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,919.28 : 342,114.72 = 134,741.28 : x
  2. Step 2: Convert to fraction form
    247,919.28/342,114.72 = 134,741.28/x
  3. Step 3: Cross multiply
    247,919.28x = 342,114.72 × 134,741.28
  4. Step 4: Simplify right side
    247,919.28x = 46,096,975,279.64
  5. Step 5: Solve for x
    x = 46,096,975,279.64/247,919.28
  6. Step 6: Final answer
    x = 185,935.42

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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.