Home / 251,746.77-347,419.05-137,029.59

Finding the Fourth Proportional to 251,746.77, 347,419.05 and 137,029.59

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Solution

The fourth proportional to 251,746.77, 347,419.05 and 137,029.59 is: 189,105.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,746.77 : 347,419.05 = 137,029.59 : x
  2. Step 2: Convert to fraction form
    251,746.77/347,419.05 = 137,029.59/x
  3. Step 3: Cross multiply
    251,746.77x = 347,419.05 × 137,029.59
  4. Step 4: Simplify right side
    251,746.77x = 47,606,689,979.69
  5. Step 5: Solve for x
    x = 47,606,689,979.69/251,746.77
  6. Step 6: Final answer
    x = 189,105.46

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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.