Home / 128,625.04-193,003.35-61,233.22

Finding the Fourth Proportional to 128,625.04, 193,003.35 and 61,233.22

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Solution

The fourth proportional to 128,625.04, 193,003.35 and 61,233.22 is: 91,881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,625.04 : 193,003.35 = 61,233.22 : x
  2. Step 2: Convert to fraction form
    128,625.04/193,003.35 = 61,233.22/x
  3. Step 3: Cross multiply
    128,625.04x = 193,003.35 × 61,233.22
  4. Step 4: Simplify right side
    128,625.04x = 11,818,216,591.29
  5. Step 5: Solve for x
    x = 11,818,216,591.29/128,625.04
  6. Step 6: Final answer
    x = 91,881.15

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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.