Home / 207,947.14-287,040.59-123,064

Finding the Fourth Proportional to 207,947.14, 287,040.59 and 123,064

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Solution

The fourth proportional to 207,947.14, 287,040.59 and 123,064 is: 169,871.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,947.14 : 287,040.59 = 123,064 : x
  2. Step 2: Convert to fraction form
    207,947.14/287,040.59 = 123,064/x
  3. Step 3: Cross multiply
    207,947.14x = 287,040.59 × 123,064
  4. Step 4: Simplify right side
    207,947.14x = 35,324,363,167.76
  5. Step 5: Solve for x
    x = 35,324,363,167.76/207,947.14
  6. Step 6: Final answer
    x = 169,871.84

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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.