Home / 89,448.32-134,172.84-27,119.36

Finding the Fourth Proportional to 89,448.32, 134,172.84 and 27,119.36

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Solution

The fourth proportional to 89,448.32, 134,172.84 and 27,119.36 is: 40,679.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,448.32 : 134,172.84 = 27,119.36 : x
  2. Step 2: Convert to fraction form
    89,448.32/134,172.84 = 27,119.36/x
  3. Step 3: Cross multiply
    89,448.32x = 134,172.84 × 27,119.36
  4. Step 4: Simplify right side
    89,448.32x = 3,638,681,550.18
  5. Step 5: Solve for x
    x = 3,638,681,550.18/89,448.32
  6. Step 6: Final answer
    x = 40,679.15

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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.