Home / 211,367.51-291,690.92-114,574.53

Finding the Fourth Proportional to 211,367.51, 291,690.92 and 114,574.53

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Solution

The fourth proportional to 211,367.51, 291,690.92 and 114,574.53 is: 158,114.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,367.51 : 291,690.92 = 114,574.53 : x
  2. Step 2: Convert to fraction form
    211,367.51/291,690.92 = 114,574.53/x
  3. Step 3: Cross multiply
    211,367.51x = 291,690.92 × 114,574.53
  4. Step 4: Simplify right side
    211,367.51x = 33,420,350,350.70
  5. Step 5: Solve for x
    x = 33,420,350,350.70/211,367.51
  6. Step 6: Final answer
    x = 158,114.89

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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.