Home / 211,148.67-316,723.01-53,377.13

Finding the Fourth Proportional to 211,148.67, 316,723.01 and 53,377.13

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Solution

The fourth proportional to 211,148.67, 316,723.01 and 53,377.13 is: 80,065.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,148.67 : 316,723.01 = 53,377.13 : x
  2. Step 2: Convert to fraction form
    211,148.67/316,723.01 = 53,377.13/x
  3. Step 3: Cross multiply
    211,148.67x = 316,723.01 × 53,377.13
  4. Step 4: Simplify right side
    211,148.67x = 16,905,764,322.36
  5. Step 5: Solve for x
    x = 16,905,764,322.36/211,148.67
  6. Step 6: Final answer
    x = 80,065.69

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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.