Home / 123,450.56-170,362.68-66,862.40

Finding the Fourth Proportional to 123,450.56, 170,362.68 and 66,862.40

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Solution

The fourth proportional to 123,450.56, 170,362.68 and 66,862.40 is: 92,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,450.56 : 170,362.68 = 66,862.40 : x
  2. Step 2: Convert to fraction form
    123,450.56/170,362.68 = 66,862.40/x
  3. Step 3: Cross multiply
    123,450.56x = 170,362.68 × 66,862.40
  4. Step 4: Simplify right side
    123,450.56x = 11,390,857,655.23
  5. Step 5: Solve for x
    x = 11,390,857,655.23/123,450.56
  6. Step 6: Final answer
    x = 92,270.60

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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.