Home / 155,822.82-215,035.56-84,202.85

Finding the Fourth Proportional to 155,822.82, 215,035.56 and 84,202.85

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Solution

The fourth proportional to 155,822.82, 215,035.56 and 84,202.85 is: 116,199.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,822.82 : 215,035.56 = 84,202.85 : x
  2. Step 2: Convert to fraction form
    155,822.82/215,035.56 = 84,202.85/x
  3. Step 3: Cross multiply
    155,822.82x = 215,035.56 × 84,202.85
  4. Step 4: Simplify right side
    155,822.82x = 18,106,605,928.17
  5. Step 5: Solve for x
    x = 18,106,605,928.17/155,822.82
  6. Step 6: Final answer
    x = 116,199.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.