Home / 255,543.56-352,645.36-140,832.84

Finding the Fourth Proportional to 255,543.56, 352,645.36 and 140,832.84

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Solution

The fourth proportional to 255,543.56, 352,645.36 and 140,832.84 is: 194,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,543.56 : 352,645.36 = 140,832.84 : x
  2. Step 2: Convert to fraction form
    255,543.56/352,645.36 = 140,832.84/x
  3. Step 3: Cross multiply
    255,543.56x = 352,645.36 × 140,832.84
  4. Step 4: Simplify right side
    255,543.56x = 49,664,047,561.62
  5. Step 5: Solve for x
    x = 49,664,047,561.62/255,543.56
  6. Step 6: Final answer
    x = 194,346.70

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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.