Home / 211,142.12-316,744.07-61,362.90

Finding the Fourth Proportional to 211,142.12, 316,744.07 and 61,362.90

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Solution

The fourth proportional to 211,142.12, 316,744.07 and 61,362.90 is: 92,053.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,142.12 : 316,744.07 = 61,362.90 : x
  2. Step 2: Convert to fraction form
    211,142.12/316,744.07 = 61,362.90/x
  3. Step 3: Cross multiply
    211,142.12x = 316,744.07 × 61,362.90
  4. Step 4: Simplify right side
    211,142.12x = 19,436,334,386.19
  5. Step 5: Solve for x
    x = 19,436,334,386.19/211,142.12
  6. Step 6: Final answer
    x = 92,053.33

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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.