Home / 251,727.92-347,387.37-137,007.30

Finding the Fourth Proportional to 251,727.92, 347,387.37 and 137,007.30

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Solution

The fourth proportional to 251,727.92, 347,387.37 and 137,007.30 is: 189,071.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,727.92 : 347,387.37 = 137,007.30 : x
  2. Step 2: Convert to fraction form
    251,727.92/347,387.37 = 137,007.30/x
  3. Step 3: Cross multiply
    251,727.92x = 347,387.37 × 137,007.30
  4. Step 4: Simplify right side
    251,727.92x = 47,594,605,030.67
  5. Step 5: Solve for x
    x = 47,594,605,030.67/251,727.92
  6. Step 6: Final answer
    x = 189,071.62

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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.