Home / 211,337.16-316,930.41-69,148.14

Finding the Fourth Proportional to 211,337.16, 316,930.41 and 69,148.14

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Solution

The fourth proportional to 211,337.16, 316,930.41 and 69,148.14 is: 103,697.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,337.16 : 316,930.41 = 69,148.14 : x
  2. Step 2: Convert to fraction form
    211,337.16/316,930.41 = 69,148.14/x
  3. Step 3: Cross multiply
    211,337.16x = 316,930.41 × 69,148.14
  4. Step 4: Simplify right side
    211,337.16x = 21,915,148,360.94
  5. Step 5: Solve for x
    x = 21,915,148,360.94/211,337.16
  6. Step 6: Final answer
    x = 103,697.56

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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.