Home / 172,913.08-238,679.60-101,316.28

Finding the Fourth Proportional to 172,913.08, 238,679.60 and 101,316.28

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Solution

The fourth proportional to 172,913.08, 238,679.60 and 101,316.28 is: 139,851.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,913.08 : 238,679.60 = 101,316.28 : x
  2. Step 2: Convert to fraction form
    172,913.08/238,679.60 = 101,316.28/x
  3. Step 3: Cross multiply
    172,913.08x = 238,679.60 × 101,316.28
  4. Step 4: Simplify right side
    172,913.08x = 24,182,129,183.89
  5. Step 5: Solve for x
    x = 24,182,129,183.89/172,913.08
  6. Step 6: Final answer
    x = 139,851.36

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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.