Home / 133,590.38-184,355.93-91,148.00

Finding the Fourth Proportional to 133,590.38, 184,355.93 and 91,148.00

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Solution

The fourth proportional to 133,590.38, 184,355.93 and 91,148.00 is: 125,785.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,590.38 : 184,355.93 = 91,148.00 : x
  2. Step 2: Convert to fraction form
    133,590.38/184,355.93 = 91,148.00/x
  3. Step 3: Cross multiply
    133,590.38x = 184,355.93 × 91,148.00
  4. Step 4: Simplify right side
    133,590.38x = 16,803,673,613.73
  5. Step 5: Solve for x
    x = 16,803,673,613.73/133,590.38
  6. Step 6: Final answer
    x = 125,785.06

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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.