Home / 253,731.37-350,146.33-137,442.65

Finding the Fourth Proportional to 253,731.37, 350,146.33 and 137,442.65

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Solution

The fourth proportional to 253,731.37, 350,146.33 and 137,442.65 is: 189,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,731.37 : 350,146.33 = 137,442.65 : x
  2. Step 2: Convert to fraction form
    253,731.37/350,146.33 = 137,442.65/x
  3. Step 3: Cross multiply
    253,731.37x = 350,146.33 × 137,442.65
  4. Step 4: Simplify right side
    253,731.37x = 48,125,037,388.64
  5. Step 5: Solve for x
    x = 48,125,037,388.64/253,731.37
  6. Step 6: Final answer
    x = 189,669.25

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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.