Home / 148,561.87-205,029.39-84,887.32

Finding the Fourth Proportional to 148,561.87, 205,029.39 and 84,887.32

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Solution

The fourth proportional to 148,561.87, 205,029.39 and 84,887.32 is: 117,152.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,561.87 : 205,029.39 = 84,887.32 : x
  2. Step 2: Convert to fraction form
    148,561.87/205,029.39 = 84,887.32/x
  3. Step 3: Cross multiply
    148,561.87x = 205,029.39 × 84,887.32
  4. Step 4: Simplify right side
    148,561.87x = 17,404,395,438.33
  5. Step 5: Solve for x
    x = 17,404,395,438.33/148,561.87
  6. Step 6: Final answer
    x = 117,152.51

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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.