Home / 207,944.64-287,037.14-123,061.50

Finding the Fourth Proportional to 207,944.64, 287,037.14 and 123,061.50

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Solution

The fourth proportional to 207,944.64, 287,037.14 and 123,061.50 is: 169,868.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,944.64 : 287,037.14 = 123,061.50 : x
  2. Step 2: Convert to fraction form
    207,944.64/287,037.14 = 123,061.50/x
  3. Step 3: Cross multiply
    207,944.64x = 287,037.14 × 123,061.50
  4. Step 4: Simplify right side
    207,944.64x = 35,323,220,388.80
  5. Step 5: Solve for x
    x = 35,323,220,388.80/207,944.64
  6. Step 6: Final answer
    x = 169,868.39

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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.