Home / 156,975.51-216,260.10-109,145.82

Finding the Fourth Proportional to 156,975.51, 216,260.10 and 109,145.82

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Solution

The fourth proportional to 156,975.51, 216,260.10 and 109,145.82 is: 150,366.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,975.51 : 216,260.10 = 109,145.82 : x
  2. Step 2: Convert to fraction form
    156,975.51/216,260.10 = 109,145.82/x
  3. Step 3: Cross multiply
    156,975.51x = 216,260.10 × 109,145.82
  4. Step 4: Simplify right side
    156,975.51x = 23,603,885,947.78
  5. Step 5: Solve for x
    x = 23,603,885,947.78/156,975.51
  6. Step 6: Final answer
    x = 150,366.68

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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.