Home / 211,138.42-291,376.70-119,250.34

Finding the Fourth Proportional to 211,138.42, 291,376.70 and 119,250.34

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Solution

The fourth proportional to 211,138.42, 291,376.70 and 119,250.34 is: 164,568.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,138.42 : 291,376.70 = 119,250.34 : x
  2. Step 2: Convert to fraction form
    211,138.42/291,376.70 = 119,250.34/x
  3. Step 3: Cross multiply
    211,138.42x = 291,376.70 × 119,250.34
  4. Step 4: Simplify right side
    211,138.42x = 34,746,770,543.08
  5. Step 5: Solve for x
    x = 34,746,770,543.08/211,138.42
  6. Step 6: Final answer
    x = 164,568.68

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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.