Home / 172,530.78-238,222.26-169,775.16

Finding the Fourth Proportional to 172,530.78, 238,222.26 and 169,775.16

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Solution

The fourth proportional to 172,530.78, 238,222.26 and 169,775.16 is: 234,417.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,530.78 : 238,222.26 = 169,775.16 : x
  2. Step 2: Convert to fraction form
    172,530.78/238,222.26 = 169,775.16/x
  3. Step 3: Cross multiply
    172,530.78x = 238,222.26 × 169,775.16
  4. Step 4: Simplify right side
    172,530.78x = 40,444,222,307.06
  5. Step 5: Solve for x
    x = 40,444,222,307.06/172,530.78
  6. Step 6: Final answer
    x = 234,417.43

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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.