Home / 113,479.02-170,218.56-113,315.04

Finding the Fourth Proportional to 113,479.02, 170,218.56 and 113,315.04

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Solution

The fourth proportional to 113,479.02, 170,218.56 and 113,315.04 is: 169,972.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,479.02 : 170,218.56 = 113,315.04 : x
  2. Step 2: Convert to fraction form
    113,479.02/170,218.56 = 113,315.04/x
  3. Step 3: Cross multiply
    113,479.02x = 170,218.56 × 113,315.04
  4. Step 4: Simplify right side
    113,479.02x = 19,288,322,935.14
  5. Step 5: Solve for x
    x = 19,288,322,935.14/113,479.02
  6. Step 6: Final answer
    x = 169,972.59

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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.