Home / 133,386.14-184,078.77-76,815.74

Finding the Fourth Proportional to 133,386.14, 184,078.77 and 76,815.74

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Solution

The fourth proportional to 133,386.14, 184,078.77 and 76,815.74 is: 106,009.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,386.14 : 184,078.77 = 76,815.74 : x
  2. Step 2: Convert to fraction form
    133,386.14/184,078.77 = 76,815.74/x
  3. Step 3: Cross multiply
    133,386.14x = 184,078.77 × 76,815.74
  4. Step 4: Simplify right side
    133,386.14x = 14,140,146,935.84
  5. Step 5: Solve for x
    x = 14,140,146,935.84/133,386.14
  6. Step 6: Final answer
    x = 106,009.12

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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.