Home / 118,642.24-163,710.48-68,331.52

Finding the Fourth Proportional to 118,642.24, 163,710.48 and 68,331.52

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Solution

The fourth proportional to 118,642.24, 163,710.48 and 68,331.52 is: 94,288.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,642.24 : 163,710.48 = 68,331.52 : x
  2. Step 2: Convert to fraction form
    118,642.24/163,710.48 = 68,331.52/x
  3. Step 3: Cross multiply
    118,642.24x = 163,710.48 × 68,331.52
  4. Step 4: Simplify right side
    118,642.24x = 11,186,585,938.33
  5. Step 5: Solve for x
    x = 11,186,585,938.33/118,642.24
  6. Step 6: Final answer
    x = 94,288.39

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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.