Home / 123,746.40-185,619.60-92,642.40

Finding the Fourth Proportional to 123,746.40, 185,619.60 and 92,642.40

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Solution

The fourth proportional to 123,746.40, 185,619.60 and 92,642.40 is: 138,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,746.40 : 185,619.60 = 92,642.40 : x
  2. Step 2: Convert to fraction form
    123,746.40/185,619.60 = 92,642.40/x
  3. Step 3: Cross multiply
    123,746.40x = 185,619.60 × 92,642.40
  4. Step 4: Simplify right side
    123,746.40x = 17,196,245,231.04
  5. Step 5: Solve for x
    x = 17,196,245,231.04/123,746.40
  6. Step 6: Final answer
    x = 138,963.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.