Home / 101,724.64-140,374.37-56,399.97

Finding the Fourth Proportional to 101,724.64, 140,374.37 and 56,399.97

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Solution

The fourth proportional to 101,724.64, 140,374.37 and 56,399.97 is: 77,828.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,724.64 : 140,374.37 = 56,399.97 : x
  2. Step 2: Convert to fraction form
    101,724.64/140,374.37 = 56,399.97/x
  3. Step 3: Cross multiply
    101,724.64x = 140,374.37 × 56,399.97
  4. Step 4: Simplify right side
    101,724.64x = 7,917,110,397.77
  5. Step 5: Solve for x
    x = 7,917,110,397.77/101,724.64
  6. Step 6: Final answer
    x = 77,828.84

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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.