Home / 147,946.80-222,157.80-137,031.60

Finding the Fourth Proportional to 147,946.80, 222,157.80 and 137,031.60

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Solution

The fourth proportional to 147,946.80, 222,157.80 and 137,031.60 is: 205,767.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,946.80 : 222,157.80 = 137,031.60 : x
  2. Step 2: Convert to fraction form
    147,946.80/222,157.80 = 137,031.60/x
  3. Step 3: Cross multiply
    147,946.80x = 222,157.80 × 137,031.60
  4. Step 4: Simplify right side
    147,946.80x = 30,442,638,786.48
  5. Step 5: Solve for x
    x = 30,442,638,786.48/147,946.80
  6. Step 6: Final answer
    x = 205,767.47

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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.