Home / 123,415.59-170,314.07-66,827.37

Finding the Fourth Proportional to 123,415.59, 170,314.07 and 66,827.37

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Solution

The fourth proportional to 123,415.59, 170,314.07 and 66,827.37 is: 92,222.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,415.59 : 170,314.07 = 66,827.37 : x
  2. Step 2: Convert to fraction form
    123,415.59/170,314.07 = 66,827.37/x
  3. Step 3: Cross multiply
    123,415.59x = 170,314.07 × 66,827.37
  4. Step 4: Simplify right side
    123,415.59x = 11,381,641,037.96
  5. Step 5: Solve for x
    x = 11,381,641,037.96/123,415.59
  6. Step 6: Final answer
    x = 92,222.07

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1.5x scale

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.