Home / 123,573.13-170,538.28-69,863.15

Finding the Fourth Proportional to 123,573.13, 170,538.28 and 69,863.15

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Solution

The fourth proportional to 123,573.13, 170,538.28 and 69,863.15 is: 96,415.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,573.13 : 170,538.28 = 69,863.15 : x
  2. Step 2: Convert to fraction form
    123,573.13/170,538.28 = 69,863.15/x
  3. Step 3: Cross multiply
    123,573.13x = 170,538.28 × 69,863.15
  4. Step 4: Simplify right side
    123,573.13x = 11,914,341,688.07
  5. Step 5: Solve for x
    x = 11,914,341,688.07/123,573.13
  6. Step 6: Final answer
    x = 96,415.31

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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.