Home / 123,681.24-170,675.40-67,091.40

Finding the Fourth Proportional to 123,681.24, 170,675.40 and 67,091.40

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Solution

The fourth proportional to 123,681.24, 170,675.40 and 67,091.40 is: 92,583.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,681.24 : 170,675.40 = 67,091.40 : x
  2. Step 2: Convert to fraction form
    123,681.24/170,675.40 = 67,091.40/x
  3. Step 3: Cross multiply
    123,681.24x = 170,675.40 × 67,091.40
  4. Step 4: Simplify right side
    123,681.24x = 11,450,851,531.56
  5. Step 5: Solve for x
    x = 11,450,851,531.56/123,681.24
  6. Step 6: Final answer
    x = 92,583.58

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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.