Home / 108,835.83-150,224.84-65,815.38

Finding the Fourth Proportional to 108,835.83, 150,224.84 and 65,815.38

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Solution

The fourth proportional to 108,835.83, 150,224.84 and 65,815.38 is: 90,844.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,835.83 : 150,224.84 = 65,815.38 : x
  2. Step 2: Convert to fraction form
    108,835.83/150,224.84 = 65,815.38/x
  3. Step 3: Cross multiply
    108,835.83x = 150,224.84 × 65,815.38
  4. Step 4: Simplify right side
    108,835.83x = 9,887,104,343.45
  5. Step 5: Solve for x
    x = 9,887,104,343.45/108,835.83
  6. Step 6: Final answer
    x = 90,844.21

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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.