Home / 211,237.42-291,507.66-126,374.50

Finding the Fourth Proportional to 211,237.42, 291,507.66 and 126,374.50

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Solution

The fourth proportional to 211,237.42, 291,507.66 and 126,374.50 is: 174,396.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,237.42 : 291,507.66 = 126,374.50 : x
  2. Step 2: Convert to fraction form
    211,237.42/291,507.66 = 126,374.50/x
  3. Step 3: Cross multiply
    211,237.42x = 291,507.66 × 126,374.50
  4. Step 4: Simplify right side
    211,237.42x = 36,839,134,778.67
  5. Step 5: Solve for x
    x = 36,839,134,778.67/211,237.42
  6. Step 6: Final answer
    x = 174,396.82

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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.