Home / 247,226.16-341,157.78-139,818.72

Finding the Fourth Proportional to 247,226.16, 341,157.78 and 139,818.72

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Solution

The fourth proportional to 247,226.16, 341,157.78 and 139,818.72 is: 192,941.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,226.16 : 341,157.78 = 139,818.72 : x
  2. Step 2: Convert to fraction form
    247,226.16/341,157.78 = 139,818.72/x
  3. Step 3: Cross multiply
    247,226.16x = 341,157.78 × 139,818.72
  4. Step 4: Simplify right side
    247,226.16x = 47,700,244,117.64
  5. Step 5: Solve for x
    x = 47,700,244,117.64/247,226.16
  6. Step 6: Final answer
    x = 192,941.73

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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.