Home / 172,143.32-258,256.52-59,807.20

Finding the Fourth Proportional to 172,143.32, 258,256.52 and 59,807.20

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Solution

The fourth proportional to 172,143.32, 258,256.52 and 59,807.20 is: 89,725.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,143.32 : 258,256.52 = 59,807.20 : x
  2. Step 2: Convert to fraction form
    172,143.32/258,256.52 = 59,807.20/x
  3. Step 3: Cross multiply
    172,143.32x = 258,256.52 × 59,807.20
  4. Step 4: Simplify right side
    172,143.32x = 15,445,599,342.94
  5. Step 5: Solve for x
    x = 15,445,599,342.94/172,143.32
  6. Step 6: Final answer
    x = 89,725.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.