Home / 143,566.45-215,380.82-43,724.07

Finding the Fourth Proportional to 143,566.45, 215,380.82 and 43,724.07

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Solution

The fourth proportional to 143,566.45, 215,380.82 and 43,724.07 is: 65,595.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,566.45 : 215,380.82 = 43,724.07 : x
  2. Step 2: Convert to fraction form
    143,566.45/215,380.82 = 43,724.07/x
  3. Step 3: Cross multiply
    143,566.45x = 215,380.82 × 43,724.07
  4. Step 4: Simplify right side
    143,566.45x = 9,417,326,159.65
  5. Step 5: Solve for x
    x = 9,417,326,159.65/143,566.45
  6. Step 6: Final answer
    x = 65,595.59

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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.