Home / 161,142.06-241,630.09-72,319.42

Finding the Fourth Proportional to 161,142.06, 241,630.09 and 72,319.42

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Solution

The fourth proportional to 161,142.06, 241,630.09 and 72,319.42 is: 108,441.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,142.06 : 241,630.09 = 72,319.42 : x
  2. Step 2: Convert to fraction form
    161,142.06/241,630.09 = 72,319.42/x
  3. Step 3: Cross multiply
    161,142.06x = 241,630.09 × 72,319.42
  4. Step 4: Simplify right side
    161,142.06x = 17,474,547,963.35
  5. Step 5: Solve for x
    x = 17,474,547,963.35/161,142.06
  6. Step 6: Final answer
    x = 108,441.88

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1.5x scale

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.