Home / 133,204.92-183,822.95-72,776.58

Finding the Fourth Proportional to 133,204.92, 183,822.95 and 72,776.58

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Solution

The fourth proportional to 133,204.92, 183,822.95 and 72,776.58 is: 100,431.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,204.92 : 183,822.95 = 72,776.58 : x
  2. Step 2: Convert to fraction form
    133,204.92/183,822.95 = 72,776.58/x
  3. Step 3: Cross multiply
    133,204.92x = 183,822.95 × 72,776.58
  4. Step 4: Simplify right side
    133,204.92x = 13,378,005,262.63
  5. Step 5: Solve for x
    x = 13,378,005,262.63/133,204.92
  6. Step 6: Final answer
    x = 100,431.77

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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.