Home / 211,344.08-291,684.74-130,797.59

Finding the Fourth Proportional to 211,344.08, 291,684.74 and 130,797.59

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Solution

The fourth proportional to 211,344.08, 291,684.74 and 130,797.59 is: 180,519.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,344.08 : 291,684.74 = 130,797.59 : x
  2. Step 2: Convert to fraction form
    211,344.08/291,684.74 = 130,797.59/x
  3. Step 3: Cross multiply
    211,344.08x = 291,684.74 × 130,797.59
  4. Step 4: Simplify right side
    211,344.08x = 38,151,658,919.37
  5. Step 5: Solve for x
    x = 38,151,658,919.37/211,344.08
  6. Step 6: Final answer
    x = 180,519.18

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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.