Home / 142,652.67-213,981.44-53,947.95

Finding the Fourth Proportional to 142,652.67, 213,981.44 and 53,947.95

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Solution

The fourth proportional to 142,652.67, 213,981.44 and 53,947.95 is: 80,922.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,652.67 : 213,981.44 = 53,947.95 : x
  2. Step 2: Convert to fraction form
    142,652.67/213,981.44 = 53,947.95/x
  3. Step 3: Cross multiply
    142,652.67x = 213,981.44 × 53,947.95
  4. Step 4: Simplify right side
    142,652.67x = 11,543,859,756.31
  5. Step 5: Solve for x
    x = 11,543,859,756.31/142,652.67
  6. Step 6: Final answer
    x = 80,922.84

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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.