Home / 236,155.72-325,928.88-140,664

Finding the Fourth Proportional to 236,155.72, 325,928.88 and 140,664

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Solution

The fourth proportional to 236,155.72, 325,928.88 and 140,664 is: 194,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,155.72 : 325,928.88 = 140,664 : x
  2. Step 2: Convert to fraction form
    236,155.72/325,928.88 = 140,664/x
  3. Step 3: Cross multiply
    236,155.72x = 325,928.88 × 140,664
  4. Step 4: Simplify right side
    236,155.72x = 45,846,459,976.32
  5. Step 5: Solve for x
    x = 45,846,459,976.32/236,155.72
  6. Step 6: Final answer
    x = 194,136.56

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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.