Home / 151,415.60-227,039.80-70,274.16

Finding the Fourth Proportional to 151,415.60, 227,039.80 and 70,274.16

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Solution

The fourth proportional to 151,415.60, 227,039.80 and 70,274.16 is: 105,372.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,415.60 : 227,039.80 = 70,274.16 : x
  2. Step 2: Convert to fraction form
    151,415.60/227,039.80 = 70,274.16/x
  3. Step 3: Cross multiply
    151,415.60x = 227,039.80 × 70,274.16
  4. Step 4: Simplify right side
    151,415.60x = 15,955,031,231.57
  5. Step 5: Solve for x
    x = 15,955,031,231.57/151,415.60
  6. Step 6: Final answer
    x = 105,372.44

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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.