Home / 113,517.02-170,013.08-109,580.42

Finding the Fourth Proportional to 113,517.02, 170,013.08 and 109,580.42

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Solution

The fourth proportional to 113,517.02, 170,013.08 and 109,580.42 is: 164,117.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,517.02 : 170,013.08 = 109,580.42 : x
  2. Step 2: Convert to fraction form
    113,517.02/170,013.08 = 109,580.42/x
  3. Step 3: Cross multiply
    113,517.02x = 170,013.08 × 109,580.42
  4. Step 4: Simplify right side
    113,517.02x = 18,630,103,313.93
  5. Step 5: Solve for x
    x = 18,630,103,313.93/113,517.02
  6. Step 6: Final answer
    x = 164,117.28

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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.