Home / 252,112.23-347,931.77-138,934.98

Finding the Fourth Proportional to 252,112.23, 347,931.77 and 138,934.98

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Solution

The fourth proportional to 252,112.23, 347,931.77 and 138,934.98 is: 191,739.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,112.23 : 347,931.77 = 138,934.98 : x
  2. Step 2: Convert to fraction form
    252,112.23/347,931.77 = 138,934.98/x
  3. Step 3: Cross multiply
    252,112.23x = 347,931.77 × 138,934.98
  4. Step 4: Simplify right side
    252,112.23x = 48,339,892,811.64
  5. Step 5: Solve for x
    x = 48,339,892,811.64/252,112.23
  6. Step 6: Final answer
    x = 191,739.58

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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.