Home / 143,523-215,339.20-64,619.08

Finding the Fourth Proportional to 143,523, 215,339.20 and 64,619.08

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Solution

The fourth proportional to 143,523, 215,339.20 and 64,619.08 is: 96,953.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,523 : 215,339.20 = 64,619.08 : x
  2. Step 2: Convert to fraction form
    143,523/215,339.20 = 64,619.08/x
  3. Step 3: Cross multiply
    143,523x = 215,339.20 × 64,619.08
  4. Step 4: Simplify right side
    143,523x = 13,915,020,991.94
  5. Step 5: Solve for x
    x = 13,915,020,991.94/143,523
  6. Step 6: Final answer
    x = 96,953.25

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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.