Home / 181,085.40-271,433.70-68,722.20

Finding the Fourth Proportional to 181,085.40, 271,433.70 and 68,722.20

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Solution

The fourth proportional to 181,085.40, 271,433.70 and 68,722.20 is: 103,009.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,085.40 : 271,433.70 = 68,722.20 : x
  2. Step 2: Convert to fraction form
    181,085.40/271,433.70 = 68,722.20/x
  3. Step 3: Cross multiply
    181,085.40x = 271,433.70 × 68,722.20
  4. Step 4: Simplify right side
    181,085.40x = 18,653,521,018.14
  5. Step 5: Solve for x
    x = 18,653,521,018.14/181,085.40
  6. Step 6: Final answer
    x = 103,009.52

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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.