Home / 147,972.36-221,700.18-123,171.84

Finding the Fourth Proportional to 147,972.36, 221,700.18 and 123,171.84

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Solution

The fourth proportional to 147,972.36, 221,700.18 and 123,171.84 is: 184,542.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,972.36 : 221,700.18 = 123,171.84 : x
  2. Step 2: Convert to fraction form
    147,972.36/221,700.18 = 123,171.84/x
  3. Step 3: Cross multiply
    147,972.36x = 221,700.18 × 123,171.84
  4. Step 4: Simplify right side
    147,972.36x = 27,307,219,098.93
  5. Step 5: Solve for x
    x = 27,307,219,098.93/147,972.36
  6. Step 6: Final answer
    x = 184,542.70

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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.