Home / 235,749.19-325,340.93-145,157.43

Finding the Fourth Proportional to 235,749.19, 325,340.93 and 145,157.43

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Solution

The fourth proportional to 235,749.19, 325,340.93 and 145,157.43 is: 200,321.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,749.19 : 325,340.93 = 145,157.43 : x
  2. Step 2: Convert to fraction form
    235,749.19/325,340.93 = 145,157.43/x
  3. Step 3: Cross multiply
    235,749.19x = 325,340.93 × 145,157.43
  4. Step 4: Simplify right side
    235,749.19x = 47,225,653,272.61
  5. Step 5: Solve for x
    x = 47,225,653,272.61/235,749.19
  6. Step 6: Final answer
    x = 200,321.59

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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.