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Finding the Fourth Proportional to 179,873, 248,228.70 and 99,300.32

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Solution

The fourth proportional to 179,873, 248,228.70 and 99,300.32 is: 137,036.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,873 : 248,228.70 = 99,300.32 : x
  2. Step 2: Convert to fraction form
    179,873/248,228.70 = 99,300.32/x
  3. Step 3: Cross multiply
    179,873x = 248,228.70 × 99,300.32
  4. Step 4: Simplify right side
    179,873x = 24,649,189,343.18
  5. Step 5: Solve for x
    x = 24,649,189,343.18/179,873
  6. Step 6: Final answer
    x = 137,036.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.