Home / 89,447.32-134,171.34-27,118.36

Finding the Fourth Proportional to 89,447.32, 134,171.34 and 27,118.36

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Solution

The fourth proportional to 89,447.32, 134,171.34 and 27,118.36 is: 40,677.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,447.32 : 134,171.34 = 27,118.36 : x
  2. Step 2: Convert to fraction form
    89,447.32/134,171.34 = 27,118.36/x
  3. Step 3: Cross multiply
    89,447.32x = 134,171.34 × 27,118.36
  4. Step 4: Simplify right side
    89,447.32x = 3,638,506,699.80
  5. Step 5: Solve for x
    x = 3,638,506,699.80/89,447.32
  6. Step 6: Final answer
    x = 40,677.65

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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.