Home / 250,693.12-345,953.28-143,261.92

Finding the Fourth Proportional to 250,693.12, 345,953.28 and 143,261.92

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Solution

The fourth proportional to 250,693.12, 345,953.28 and 143,261.92 is: 197,699.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,693.12 : 345,953.28 = 143,261.92 : x
  2. Step 2: Convert to fraction form
    250,693.12/345,953.28 = 143,261.92/x
  3. Step 3: Cross multiply
    250,693.12x = 345,953.28 × 143,261.92
  4. Step 4: Simplify right side
    250,693.12x = 49,561,931,123.10
  5. Step 5: Solve for x
    x = 49,561,931,123.10/250,693.12
  6. Step 6: Final answer
    x = 197,699.61

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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.