Home / 251,938.42-347,675.03-138,761.17

Finding the Fourth Proportional to 251,938.42, 347,675.03 and 138,761.17

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Solution

The fourth proportional to 251,938.42, 347,675.03 and 138,761.17 is: 191,490.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,938.42 : 347,675.03 = 138,761.17 : x
  2. Step 2: Convert to fraction form
    251,938.42/347,675.03 = 138,761.17/x
  3. Step 3: Cross multiply
    251,938.42x = 347,675.03 × 138,761.17
  4. Step 4: Simplify right side
    251,938.42x = 48,243,793,942.59
  5. Step 5: Solve for x
    x = 48,243,793,942.59/251,938.42
  6. Step 6: Final answer
    x = 191,490.42

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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.