Home / 89,023.01-133,342.53-83,788.79

Finding the Fourth Proportional to 89,023.01, 133,342.53 and 83,788.79

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Solution

The fourth proportional to 89,023.01, 133,342.53 and 83,788.79 is: 125,502.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,023.01 : 133,342.53 = 83,788.79 : x
  2. Step 2: Convert to fraction form
    89,023.01/133,342.53 = 83,788.79/x
  3. Step 3: Cross multiply
    89,023.01x = 133,342.53 × 83,788.79
  4. Step 4: Simplify right side
    89,023.01x = 11,172,608,577.53
  5. Step 5: Solve for x
    x = 11,172,608,577.53/89,023.01
  6. Step 6: Final answer
    x = 125,502.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.