Home / 123,342.16-170,212.68-66,753.52

Finding the Fourth Proportional to 123,342.16, 170,212.68 and 66,753.52

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Solution

The fourth proportional to 123,342.16, 170,212.68 and 66,753.52 is: 92,120.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,342.16 : 170,212.68 = 66,753.52 : x
  2. Step 2: Convert to fraction form
    123,342.16/170,212.68 = 66,753.52/x
  3. Step 3: Cross multiply
    123,342.16x = 170,212.68 × 66,753.52
  4. Step 4: Simplify right side
    123,342.16x = 11,362,295,538.63
  5. Step 5: Solve for x
    x = 11,362,295,538.63/123,342.16
  6. Step 6: Final answer
    x = 92,120.13

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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.