Home / 137,867.47-190,252.19-84,242.23

Finding the Fourth Proportional to 137,867.47, 190,252.19 and 84,242.23

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Solution

The fourth proportional to 137,867.47, 190,252.19 and 84,242.23 is: 116,251.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,867.47 : 190,252.19 = 84,242.23 : x
  2. Step 2: Convert to fraction form
    137,867.47/190,252.19 = 84,242.23/x
  3. Step 3: Cross multiply
    137,867.47x = 190,252.19 × 84,242.23
  4. Step 4: Simplify right side
    137,867.47x = 16,027,268,482.96
  5. Step 5: Solve for x
    x = 16,027,268,482.96/137,867.47
  6. Step 6: Final answer
    x = 116,251.27

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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.