Home / 169,823.80-254,930.10-99,742.60

Finding the Fourth Proportional to 169,823.80, 254,930.10 and 99,742.60

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Solution

The fourth proportional to 169,823.80, 254,930.10 and 99,742.60 is: 149,728.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,823.80 : 254,930.10 = 99,742.60 : x
  2. Step 2: Convert to fraction form
    169,823.80/254,930.10 = 99,742.60/x
  3. Step 3: Cross multiply
    169,823.80x = 254,930.10 × 99,742.60
  4. Step 4: Simplify right side
    169,823.80x = 25,427,390,992.26
  5. Step 5: Solve for x
    x = 25,427,390,992.26/169,823.80
  6. Step 6: Final answer
    x = 149,728.08

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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.