Home / 109,460.30-151,053.80-61,729.02

Finding the Fourth Proportional to 109,460.30, 151,053.80 and 61,729.02

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Solution

The fourth proportional to 109,460.30, 151,053.80 and 61,729.02 is: 85,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,460.30 : 151,053.80 = 61,729.02 : x
  2. Step 2: Convert to fraction form
    109,460.30/151,053.80 = 61,729.02/x
  3. Step 3: Cross multiply
    109,460.30x = 151,053.80 × 61,729.02
  4. Step 4: Simplify right side
    109,460.30x = 9,324,402,732.63
  5. Step 5: Solve for x
    x = 9,324,402,732.63/109,460.30
  6. Step 6: Final answer
    x = 85,185.25

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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.