Home / 186,505.42-280,002.02-110,742.30

Finding the Fourth Proportional to 186,505.42, 280,002.02 and 110,742.30

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Solution

The fourth proportional to 186,505.42, 280,002.02 and 110,742.30 is: 166,258.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,505.42 : 280,002.02 = 110,742.30 : x
  2. Step 2: Convert to fraction form
    186,505.42/280,002.02 = 110,742.30/x
  3. Step 3: Cross multiply
    186,505.42x = 280,002.02 × 110,742.30
  4. Step 4: Simplify right side
    186,505.42x = 31,008,067,699.45
  5. Step 5: Solve for x
    x = 31,008,067,699.45/186,505.42
  6. Step 6: Final answer
    x = 166,258.27

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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.