Home / 123,682.42-170,681.80-69,966.30

Finding the Fourth Proportional to 123,682.42, 170,681.80 and 69,966.30

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Solution

The fourth proportional to 123,682.42, 170,681.80 and 69,966.30 is: 96,553.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,682.42 : 170,681.80 = 69,966.30 : x
  2. Step 2: Convert to fraction form
    123,682.42/170,681.80 = 69,966.30/x
  3. Step 3: Cross multiply
    123,682.42x = 170,681.80 × 69,966.30
  4. Step 4: Simplify right side
    123,682.42x = 11,941,974,023.34
  5. Step 5: Solve for x
    x = 11,941,974,023.34/123,682.42
  6. Step 6: Final answer
    x = 96,553.53

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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.