Home / 140,268.64-210,407.28-61,342.24

Finding the Fourth Proportional to 140,268.64, 210,407.28 and 61,342.24

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Solution

The fourth proportional to 140,268.64, 210,407.28 and 61,342.24 is: 92,015.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,268.64 : 210,407.28 = 61,342.24 : x
  2. Step 2: Convert to fraction form
    140,268.64/210,407.28 = 61,342.24/x
  3. Step 3: Cross multiply
    140,268.64x = 210,407.28 × 61,342.24
  4. Step 4: Simplify right side
    140,268.64x = 12,906,853,867.51
  5. Step 5: Solve for x
    x = 12,906,853,867.51/140,268.64
  6. Step 6: Final answer
    x = 92,015.25

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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.