Home / 99,947.01-137,913.54-64,185.46

Finding the Fourth Proportional to 99,947.01, 137,913.54 and 64,185.46

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Solution

The fourth proportional to 99,947.01, 137,913.54 and 64,185.46 is: 88,567.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,947.01 : 137,913.54 = 64,185.46 : x
  2. Step 2: Convert to fraction form
    99,947.01/137,913.54 = 64,185.46/x
  3. Step 3: Cross multiply
    99,947.01x = 137,913.54 × 64,185.46
  4. Step 4: Simplify right side
    99,947.01x = 8,852,044,005.13
  5. Step 5: Solve for x
    x = 8,852,044,005.13/99,947.01
  6. Step 6: Final answer
    x = 88,567.37

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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.