Home / 179,018.72-268,528.10-85,240.16

Finding the Fourth Proportional to 179,018.72, 268,528.10 and 85,240.16

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Solution

The fourth proportional to 179,018.72, 268,528.10 and 85,240.16 is: 127,860.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,018.72 : 268,528.10 = 85,240.16 : x
  2. Step 2: Convert to fraction form
    179,018.72/268,528.10 = 85,240.16/x
  3. Step 3: Cross multiply
    179,018.72x = 268,528.10 × 85,240.16
  4. Step 4: Simplify right side
    179,018.72x = 22,889,378,208.50
  5. Step 5: Solve for x
    x = 22,889,378,208.50/179,018.72
  6. Step 6: Final answer
    x = 127,860.25

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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.