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Finding the Fourth Proportional to 114,481.13, 157,801.97 and 90,242.80

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Solution

The fourth proportional to 114,481.13, 157,801.97 and 90,242.80 is: 124,391.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,481.13 : 157,801.97 = 90,242.80 : x
  2. Step 2: Convert to fraction form
    114,481.13/157,801.97 = 90,242.80/x
  3. Step 3: Cross multiply
    114,481.13x = 157,801.97 × 90,242.80
  4. Step 4: Simplify right side
    114,481.13x = 14,240,490,829.31
  5. Step 5: Solve for x
    x = 14,240,490,829.31/114,481.13
  6. Step 6: Final answer
    x = 124,391.60

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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.