Home / 133,338.17-184,053.01-76,772.09

Finding the Fourth Proportional to 133,338.17, 184,053.01 and 76,772.09

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Solution

The fourth proportional to 133,338.17, 184,053.01 and 76,772.09 is: 105,972.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,338.17 : 184,053.01 = 76,772.09 : x
  2. Step 2: Convert to fraction form
    133,338.17/184,053.01 = 76,772.09/x
  3. Step 3: Cross multiply
    133,338.17x = 184,053.01 × 76,772.09
  4. Step 4: Simplify right side
    133,338.17x = 14,130,134,248.49
  5. Step 5: Solve for x
    x = 14,130,134,248.49/133,338.17
  6. Step 6: Final answer
    x = 105,972.16

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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.