Home / 172,175.31-237,557.80-100,514.16

Finding the Fourth Proportional to 172,175.31, 237,557.80 and 100,514.16

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Solution

The fourth proportional to 172,175.31, 237,557.80 and 100,514.16 is: 138,683.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,175.31 : 237,557.80 = 100,514.16 : x
  2. Step 2: Convert to fraction form
    172,175.31/237,557.80 = 100,514.16/x
  3. Step 3: Cross multiply
    172,175.31x = 237,557.80 × 100,514.16
  4. Step 4: Simplify right side
    172,175.31x = 23,877,922,718.45
  5. Step 5: Solve for x
    x = 23,877,922,718.45/172,175.31
  6. Step 6: Final answer
    x = 138,683.78

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1.5x scale

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.