Home / 133,249.54-183,878.86-72,822.18

Finding the Fourth Proportional to 133,249.54, 183,878.86 and 72,822.18

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Solution

The fourth proportional to 133,249.54, 183,878.86 and 72,822.18 is: 100,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,249.54 : 183,878.86 = 72,822.18 : x
  2. Step 2: Convert to fraction form
    133,249.54/183,878.86 = 72,822.18/x
  3. Step 3: Cross multiply
    133,249.54x = 183,878.86 × 72,822.18
  4. Step 4: Simplify right side
    133,249.54x = 13,390,459,441.11
  5. Step 5: Solve for x
    x = 13,390,459,441.11/133,249.54
  6. Step 6: Final answer
    x = 100,491.60

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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.