Home / 139,009.02-191,852.96-88,026.41

Finding the Fourth Proportional to 139,009.02, 191,852.96 and 88,026.41

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Solution

The fourth proportional to 139,009.02, 191,852.96 and 88,026.41 is: 121,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,009.02 : 191,852.96 = 88,026.41 : x
  2. Step 2: Convert to fraction form
    139,009.02/191,852.96 = 88,026.41/x
  3. Step 3: Cross multiply
    139,009.02x = 191,852.96 × 88,026.41
  4. Step 4: Simplify right side
    139,009.02x = 16,888,125,917.28
  5. Step 5: Solve for x
    x = 16,888,125,917.28/139,009.02
  6. Step 6: Final answer
    x = 121,489.43

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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.