Home / 143,566.13-215,347.72-36,949.67

Finding the Fourth Proportional to 143,566.13, 215,347.72 and 36,949.67

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Solution

The fourth proportional to 143,566.13, 215,347.72 and 36,949.67 is: 55,424.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,566.13 : 215,347.72 = 36,949.67 : x
  2. Step 2: Convert to fraction form
    143,566.13/215,347.72 = 36,949.67/x
  3. Step 3: Cross multiply
    143,566.13x = 215,347.72 × 36,949.67
  4. Step 4: Simplify right side
    143,566.13x = 7,957,026,020.14
  5. Step 5: Solve for x
    x = 7,957,026,020.14/143,566.13
  6. Step 6: Final answer
    x = 55,424.12

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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.