Home / 100,746.52-151,114.32-30,620.37

Finding the Fourth Proportional to 100,746.52, 151,114.32 and 30,620.37

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Solution

The fourth proportional to 100,746.52, 151,114.32 and 30,620.37 is: 45,928.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,746.52 : 151,114.32 = 30,620.37 : x
  2. Step 2: Convert to fraction form
    100,746.52/151,114.32 = 30,620.37/x
  3. Step 3: Cross multiply
    100,746.52x = 151,114.32 × 30,620.37
  4. Step 4: Simplify right side
    100,746.52x = 4,627,175,709.19
  5. Step 5: Solve for x
    x = 4,627,175,709.19/100,746.52
  6. Step 6: Final answer
    x = 45,928.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.