Home / 159,170.07-219,650.37-90,272.17

Finding the Fourth Proportional to 159,170.07, 219,650.37 and 90,272.17

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Solution

The fourth proportional to 159,170.07, 219,650.37 and 90,272.17 is: 124,573.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,170.07 : 219,650.37 = 90,272.17 : x
  2. Step 2: Convert to fraction form
    159,170.07/219,650.37 = 90,272.17/x
  3. Step 3: Cross multiply
    159,170.07x = 219,650.37 × 90,272.17
  4. Step 4: Simplify right side
    159,170.07x = 19,828,315,541.20
  5. Step 5: Solve for x
    x = 19,828,315,541.20/159,170.07
  6. Step 6: Final answer
    x = 124,573.14

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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.