Home / 172,999.42-238,700.48-130,082.29

Finding the Fourth Proportional to 172,999.42, 238,700.48 and 130,082.29

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Solution

The fourth proportional to 172,999.42, 238,700.48 and 130,082.29 is: 179,484.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,999.42 : 238,700.48 = 130,082.29 : x
  2. Step 2: Convert to fraction form
    172,999.42/238,700.48 = 130,082.29/x
  3. Step 3: Cross multiply
    172,999.42x = 238,700.48 × 130,082.29
  4. Step 4: Simplify right side
    172,999.42x = 31,050,703,815.34
  5. Step 5: Solve for x
    x = 31,050,703,815.34/172,999.42
  6. Step 6: Final answer
    x = 179,484.44

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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.