Home / 123,730.23-170,748.16-67,141.60

Finding the Fourth Proportional to 123,730.23, 170,748.16 and 67,141.60

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Solution

The fourth proportional to 123,730.23, 170,748.16 and 67,141.60 is: 92,655.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,730.23 : 170,748.16 = 67,141.60 : x
  2. Step 2: Convert to fraction form
    123,730.23/170,748.16 = 67,141.60/x
  3. Step 3: Cross multiply
    123,730.23x = 170,748.16 × 67,141.60
  4. Step 4: Simplify right side
    123,730.23x = 11,464,304,659.46
  5. Step 5: Solve for x
    x = 11,464,304,659.46/123,730.23
  6. Step 6: Final answer
    x = 92,655.65

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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.