Home / 250,400.16-345,558.96-137,227.68

Finding the Fourth Proportional to 250,400.16, 345,558.96 and 137,227.68

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Solution

The fourth proportional to 250,400.16, 345,558.96 and 137,227.68 is: 189,377.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,400.16 : 345,558.96 = 137,227.68 : x
  2. Step 2: Convert to fraction form
    250,400.16/345,558.96 = 137,227.68/x
  3. Step 3: Cross multiply
    250,400.16x = 345,558.96 × 137,227.68
  4. Step 4: Simplify right side
    250,400.16x = 47,420,254,384.01
  5. Step 5: Solve for x
    x = 47,420,254,384.01/250,400.16
  6. Step 6: Final answer
    x = 189,377.89

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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.