Home / 89,427.36-134,153.92-27,102.72

Finding the Fourth Proportional to 89,427.36, 134,153.92 and 27,102.72

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Solution

The fourth proportional to 89,427.36, 134,153.92 and 27,102.72 is: 40,657.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,427.36 : 134,153.92 = 27,102.72 : x
  2. Step 2: Convert to fraction form
    89,427.36/134,153.92 = 27,102.72/x
  3. Step 3: Cross multiply
    89,427.36x = 134,153.92 × 27,102.72
  4. Step 4: Simplify right side
    89,427.36x = 3,635,936,130.66
  5. Step 5: Solve for x
    x = 3,635,936,130.66/89,427.36
  6. Step 6: Final answer
    x = 40,657.98

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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.