Home / 251,681.52-347,320.29-138,504.27

Finding the Fourth Proportional to 251,681.52, 347,320.29 and 138,504.27

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Solution

The fourth proportional to 251,681.52, 347,320.29 and 138,504.27 is: 191,135.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,681.52 : 347,320.29 = 138,504.27 : x
  2. Step 2: Convert to fraction form
    251,681.52/347,320.29 = 138,504.27/x
  3. Step 3: Cross multiply
    251,681.52x = 347,320.29 × 138,504.27
  4. Step 4: Simplify right side
    251,681.52x = 48,105,343,222.64
  5. Step 5: Solve for x
    x = 48,105,343,222.64/251,681.52
  6. Step 6: Final answer
    x = 191,135.78

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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.