Home / 99,647.51-137,551.95-73,001.66

Finding the Fourth Proportional to 99,647.51, 137,551.95 and 73,001.66

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Solution

The fourth proportional to 99,647.51, 137,551.95 and 73,001.66 is: 100,770.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,647.51 : 137,551.95 = 73,001.66 : x
  2. Step 2: Convert to fraction form
    99,647.51/137,551.95 = 73,001.66/x
  3. Step 3: Cross multiply
    99,647.51x = 137,551.95 × 73,001.66
  4. Step 4: Simplify right side
    99,647.51x = 10,041,519,998.48
  5. Step 5: Solve for x
    x = 10,041,519,998.48/99,647.51
  6. Step 6: Final answer
    x = 100,770.41

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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.