Home / 211,214.25-291,475.67-115,723.15

Finding the Fourth Proportional to 211,214.25, 291,475.67 and 115,723.15

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Solution

The fourth proportional to 211,214.25, 291,475.67 and 115,723.15 is: 159,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,214.25 : 291,475.67 = 115,723.15 : x
  2. Step 2: Convert to fraction form
    211,214.25/291,475.67 = 115,723.15/x
  3. Step 3: Cross multiply
    211,214.25x = 291,475.67 × 115,723.15
  4. Step 4: Simplify right side
    211,214.25x = 33,730,481,373.46
  5. Step 5: Solve for x
    x = 33,730,481,373.46/211,214.25
  6. Step 6: Final answer
    x = 159,697.94

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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.