Home / 205,118.12-307,713.29-70,150.46

Finding the Fourth Proportional to 205,118.12, 307,713.29 and 70,150.46

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Solution

The fourth proportional to 205,118.12, 307,713.29 and 70,150.46 is: 105,238.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,118.12 : 307,713.29 = 70,150.46 : x
  2. Step 2: Convert to fraction form
    205,118.12/307,713.29 = 70,150.46/x
  3. Step 3: Cross multiply
    205,118.12x = 307,713.29 × 70,150.46
  4. Step 4: Simplify right side
    205,118.12x = 21,586,226,952.29
  5. Step 5: Solve for x
    x = 21,586,226,952.29/205,118.12
  6. Step 6: Final answer
    x = 105,238.03

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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.