Home / 109,971.88-151,721.58-62,224.72

Finding the Fourth Proportional to 109,971.88, 151,721.58 and 62,224.72

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Solution

The fourth proportional to 109,971.88, 151,721.58 and 62,224.72 is: 85,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,971.88 : 151,721.58 = 62,224.72 : x
  2. Step 2: Convert to fraction form
    109,971.88/151,721.58 = 62,224.72/x
  3. Step 3: Cross multiply
    109,971.88x = 151,721.58 × 62,224.72
  4. Step 4: Simplify right side
    109,971.88x = 9,440,832,833.46
  5. Step 5: Solve for x
    x = 9,440,832,833.46/109,971.88
  6. Step 6: Final answer
    x = 85,847.70

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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.