Home / 173,721.36-239,622.12-109,992.72

Finding the Fourth Proportional to 173,721.36, 239,622.12 and 109,992.72

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Solution

The fourth proportional to 173,721.36, 239,622.12 and 109,992.72 is: 151,718.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,721.36 : 239,622.12 = 109,992.72 : x
  2. Step 2: Convert to fraction form
    173,721.36/239,622.12 = 109,992.72/x
  3. Step 3: Cross multiply
    173,721.36x = 239,622.12 × 109,992.72
  4. Step 4: Simplify right side
    173,721.36x = 26,356,688,750.97
  5. Step 5: Solve for x
    x = 26,356,688,750.97/173,721.36
  6. Step 6: Final answer
    x = 151,718.18

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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.