Home / 137,824.22-190,218.04-84,140.46

Finding the Fourth Proportional to 137,824.22, 190,218.04 and 84,140.46

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Solution

The fourth proportional to 137,824.22, 190,218.04 and 84,140.46 is: 116,126.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,824.22 : 190,218.04 = 84,140.46 : x
  2. Step 2: Convert to fraction form
    137,824.22/190,218.04 = 84,140.46/x
  3. Step 3: Cross multiply
    137,824.22x = 190,218.04 × 84,140.46
  4. Step 4: Simplify right side
    137,824.22x = 16,005,032,965.20
  5. Step 5: Solve for x
    x = 16,005,032,965.20/137,824.22
  6. Step 6: Final answer
    x = 116,126.42

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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.