Home / 108,887.87-150,261.37-61,143.23

Finding the Fourth Proportional to 108,887.87, 150,261.37 and 61,143.23

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Solution

The fourth proportional to 108,887.87, 150,261.37 and 61,143.23 is: 84,375.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,887.87 : 150,261.37 = 61,143.23 : x
  2. Step 2: Convert to fraction form
    108,887.87/150,261.37 = 61,143.23/x
  3. Step 3: Cross multiply
    108,887.87x = 150,261.37 × 61,143.23
  4. Step 4: Simplify right side
    108,887.87x = 9,187,465,728.82
  5. Step 5: Solve for x
    x = 9,187,465,728.82/108,887.87
  6. Step 6: Final answer
    x = 84,375.47

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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.