Home / 159,243.17-219,730.48-91,247.07

Finding the Fourth Proportional to 159,243.17, 219,730.48 and 91,247.07

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Solution

The fourth proportional to 159,243.17, 219,730.48 and 91,247.07 is: 125,906.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,243.17 : 219,730.48 = 91,247.07 : x
  2. Step 2: Convert to fraction form
    159,243.17/219,730.48 = 91,247.07/x
  3. Step 3: Cross multiply
    159,243.17x = 219,730.48 × 91,247.07
  4. Step 4: Simplify right side
    159,243.17x = 20,049,762,261.58
  5. Step 5: Solve for x
    x = 20,049,762,261.58/159,243.17
  6. Step 6: Final answer
    x = 125,906.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.