Home / 104,654.39-144,803.37-91,253.57

Finding the Fourth Proportional to 104,654.39, 144,803.37 and 91,253.57

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Solution

The fourth proportional to 104,654.39, 144,803.37 and 91,253.57 is: 126,261.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,654.39 : 144,803.37 = 91,253.57 : x
  2. Step 2: Convert to fraction form
    104,654.39/144,803.37 = 91,253.57/x
  3. Step 3: Cross multiply
    104,654.39x = 144,803.37 × 91,253.57
  4. Step 4: Simplify right side
    104,654.39x = 13,213,824,460.53
  5. Step 5: Solve for x
    x = 13,213,824,460.53/104,654.39
  6. Step 6: Final answer
    x = 126,261.54

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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.