Home / 211,209.42-291,468.96-126,346.53

Finding the Fourth Proportional to 211,209.42, 291,468.96 and 126,346.53

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Solution

The fourth proportional to 211,209.42, 291,468.96 and 126,346.53 is: 174,358.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,209.42 : 291,468.96 = 126,346.53 : x
  2. Step 2: Convert to fraction form
    211,209.42/291,468.96 = 126,346.53/x
  3. Step 3: Cross multiply
    211,209.42x = 291,468.96 × 126,346.53
  4. Step 4: Simplify right side
    211,209.42x = 36,826,091,698.71
  5. Step 5: Solve for x
    x = 36,826,091,698.71/211,209.42
  6. Step 6: Final answer
    x = 174,358.19

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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.