Home / 133,389.48-184,083.38-76,819.08

Finding the Fourth Proportional to 133,389.48, 184,083.38 and 76,819.08

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Solution

The fourth proportional to 133,389.48, 184,083.38 and 76,819.08 is: 106,013.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,389.48 : 184,083.38 = 76,819.08 : x
  2. Step 2: Convert to fraction form
    133,389.48/184,083.38 = 76,819.08/x
  3. Step 3: Cross multiply
    133,389.48x = 184,083.38 × 76,819.08
  4. Step 4: Simplify right side
    133,389.48x = 14,141,116,921.29
  5. Step 5: Solve for x
    x = 14,141,116,921.29/133,389.48
  6. Step 6: Final answer
    x = 106,013.73

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1.5x scale

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.