Home / 251,499.96-347,072.28-136,779.72

Finding the Fourth Proportional to 251,499.96, 347,072.28 and 136,779.72

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Solution

The fourth proportional to 251,499.96, 347,072.28 and 136,779.72 is: 188,757.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,499.96 : 347,072.28 = 136,779.72 : x
  2. Step 2: Convert to fraction form
    251,499.96/347,072.28 = 136,779.72/x
  3. Step 3: Cross multiply
    251,499.96x = 347,072.28 × 136,779.72
  4. Step 4: Simplify right side
    251,499.96x = 47,472,449,278.16
  5. Step 5: Solve for x
    x = 47,472,449,278.16/251,499.96
  6. Step 6: Final answer
    x = 188,757.28

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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.