Home / 211,186.79-316,833.86-61,427.08

Finding the Fourth Proportional to 211,186.79, 316,833.86 and 61,427.08

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Solution

The fourth proportional to 211,186.79, 316,833.86 and 61,427.08 is: 92,156.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,186.79 : 316,833.86 = 61,427.08 : x
  2. Step 2: Convert to fraction form
    211,186.79/316,833.86 = 61,427.08/x
  3. Step 3: Cross multiply
    211,186.79x = 316,833.86 × 61,427.08
  4. Step 4: Simplify right side
    211,186.79x = 19,462,177,765.71
  5. Step 5: Solve for x
    x = 19,462,177,765.71/211,186.79
  6. Step 6: Final answer
    x = 92,156.23

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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.