Home / 89,187.30-133,794.78-30,018.35

Finding the Fourth Proportional to 89,187.30, 133,794.78 and 30,018.35

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Solution

The fourth proportional to 89,187.30, 133,794.78 and 30,018.35 is: 45,032.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,187.30 : 133,794.78 = 30,018.35 : x
  2. Step 2: Convert to fraction form
    89,187.30/133,794.78 = 30,018.35/x
  3. Step 3: Cross multiply
    89,187.30x = 133,794.78 × 30,018.35
  4. Step 4: Simplify right side
    89,187.30x = 4,016,298,534.21
  5. Step 5: Solve for x
    x = 4,016,298,534.21/89,187.30
  6. Step 6: Final answer
    x = 45,032.18

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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.