Home / 251,873.54-347,584.93-137,150.40

Finding the Fourth Proportional to 251,873.54, 347,584.93 and 137,150.40

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Solution

The fourth proportional to 251,873.54, 347,584.93 and 137,150.40 is: 189,267.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,873.54 : 347,584.93 = 137,150.40 : x
  2. Step 2: Convert to fraction form
    251,873.54/347,584.93 = 137,150.40/x
  3. Step 3: Cross multiply
    251,873.54x = 347,584.93 × 137,150.40
  4. Step 4: Simplify right side
    251,873.54x = 47,671,412,183.47
  5. Step 5: Solve for x
    x = 47,671,412,183.47/251,873.54
  6. Step 6: Final answer
    x = 189,267.25

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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.