Home / 142,232.32-196,273.02-81,793.36

Finding the Fourth Proportional to 142,232.32, 196,273.02 and 81,793.36

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Solution

The fourth proportional to 142,232.32, 196,273.02 and 81,793.36 is: 112,870.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,232.32 : 196,273.02 = 81,793.36 : x
  2. Step 2: Convert to fraction form
    142,232.32/196,273.02 = 81,793.36/x
  3. Step 3: Cross multiply
    142,232.32x = 196,273.02 × 81,793.36
  4. Step 4: Simplify right side
    142,232.32x = 16,053,829,783.15
  5. Step 5: Solve for x
    x = 16,053,829,783.15/142,232.32
  6. Step 6: Final answer
    x = 112,870.48

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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.