Home / 123,293.52-170,145.36-66,705.30

Finding the Fourth Proportional to 123,293.52, 170,145.36 and 66,705.30

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Solution

The fourth proportional to 123,293.52, 170,145.36 and 66,705.30 is: 92,053.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,293.52 : 170,145.36 = 66,705.30 : x
  2. Step 2: Convert to fraction form
    123,293.52/170,145.36 = 66,705.30/x
  3. Step 3: Cross multiply
    123,293.52x = 170,145.36 × 66,705.30
  4. Step 4: Simplify right side
    123,293.52x = 11,349,597,282.41
  5. Step 5: Solve for x
    x = 11,349,597,282.41/123,293.52
  6. Step 6: Final answer
    x = 92,053.48

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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.