Home / 211,188.36-316,716.29-69,001.25

Finding the Fourth Proportional to 211,188.36, 316,716.29 and 69,001.25

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Solution

The fourth proportional to 211,188.36, 316,716.29 and 69,001.25 is: 103,480.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,188.36 : 316,716.29 = 69,001.25 : x
  2. Step 2: Convert to fraction form
    211,188.36/316,716.29 = 69,001.25/x
  3. Step 3: Cross multiply
    211,188.36x = 316,716.29 × 69,001.25
  4. Step 4: Simplify right side
    211,188.36x = 21,853,818,321.78
  5. Step 5: Solve for x
    x = 21,853,818,321.78/211,188.36
  6. Step 6: Final answer
    x = 103,480.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.