Home / 89,645.40-134,398.82-45,249.30

Finding the Fourth Proportional to 89,645.40, 134,398.82 and 45,249.30

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Solution

The fourth proportional to 89,645.40, 134,398.82 and 45,249.30 is: 67,838.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,645.40 : 134,398.82 = 45,249.30 : x
  2. Step 2: Convert to fraction form
    89,645.40/134,398.82 = 45,249.30/x
  3. Step 3: Cross multiply
    89,645.40x = 134,398.82 × 45,249.30
  4. Step 4: Simplify right side
    89,645.40x = 6,081,452,525.83
  5. Step 5: Solve for x
    x = 6,081,452,525.83/89,645.40
  6. Step 6: Final answer
    x = 67,838.98

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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.