Home / 137,772.56-190,077.20-90,053.44

Finding the Fourth Proportional to 137,772.56, 190,077.20 and 90,053.44

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Solution

The fourth proportional to 137,772.56, 190,077.20 and 90,053.44 is: 124,241.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,772.56 : 190,077.20 = 90,053.44 : x
  2. Step 2: Convert to fraction form
    137,772.56/190,077.20 = 90,053.44/x
  3. Step 3: Cross multiply
    137,772.56x = 190,077.20 × 90,053.44
  4. Step 4: Simplify right side
    137,772.56x = 17,117,105,725.57
  5. Step 5: Solve for x
    x = 17,117,105,725.57/137,772.56
  6. Step 6: Final answer
    x = 124,241.76

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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.