Home / 172,173.31-237,555.05-100,512.16

Finding the Fourth Proportional to 172,173.31, 237,555.05 and 100,512.16

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Solution

The fourth proportional to 172,173.31, 237,555.05 and 100,512.16 is: 138,681.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,173.31 : 237,555.05 = 100,512.16 : x
  2. Step 2: Convert to fraction form
    172,173.31/237,555.05 = 100,512.16/x
  3. Step 3: Cross multiply
    172,173.31x = 237,555.05 × 100,512.16
  4. Step 4: Simplify right side
    172,173.31x = 23,877,169,504.07
  5. Step 5: Solve for x
    x = 23,877,169,504.07/172,173.31
  6. Step 6: Final answer
    x = 138,681.01

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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.