Home / 251,762.93-347,441.37-137,045.75

Finding the Fourth Proportional to 251,762.93, 347,441.37 and 137,045.75

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Solution

The fourth proportional to 251,762.93, 347,441.37 and 137,045.75 is: 189,127.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,762.93 : 347,441.37 = 137,045.75 : x
  2. Step 2: Convert to fraction form
    251,762.93/347,441.37 = 137,045.75/x
  3. Step 3: Cross multiply
    251,762.93x = 347,441.37 × 137,045.75
  4. Step 4: Simplify right side
    251,762.93x = 47,615,363,132.68
  5. Step 5: Solve for x
    x = 47,615,363,132.68/251,762.93
  6. Step 6: Final answer
    x = 189,127.78

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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.