Home / 250,071.48-345,096.45-135,347.85

Finding the Fourth Proportional to 250,071.48, 345,096.45 and 135,347.85

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Solution

The fourth proportional to 250,071.48, 345,096.45 and 135,347.85 is: 186,778.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,071.48 : 345,096.45 = 135,347.85 : x
  2. Step 2: Convert to fraction form
    250,071.48/345,096.45 = 135,347.85/x
  3. Step 3: Cross multiply
    250,071.48x = 345,096.45 × 135,347.85
  4. Step 4: Simplify right side
    250,071.48x = 46,708,062,550.13
  5. Step 5: Solve for x
    x = 46,708,062,550.13/250,071.48
  6. Step 6: Final answer
    x = 186,778.85

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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.