Home / 172,991.06-259,602-60,671.18

Finding the Fourth Proportional to 172,991.06, 259,602 and 60,671.18

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Solution

The fourth proportional to 172,991.06, 259,602 and 60,671.18 is: 91,047.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,991.06 : 259,602 = 60,671.18 : x
  2. Step 2: Convert to fraction form
    172,991.06/259,602 = 60,671.18/x
  3. Step 3: Cross multiply
    172,991.06x = 259,602 × 60,671.18
  4. Step 4: Simplify right side
    172,991.06x = 15,750,359,670.36
  5. Step 5: Solve for x
    x = 15,750,359,670.36/172,991.06
  6. Step 6: Final answer
    x = 91,047.25

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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.