Home / 148,087.60-204,364.38-84,431.32

Finding the Fourth Proportional to 148,087.60, 204,364.38 and 84,431.32

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Solution

The fourth proportional to 148,087.60, 204,364.38 and 84,431.32 is: 116,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,087.60 : 204,364.38 = 84,431.32 : x
  2. Step 2: Convert to fraction form
    148,087.60/204,364.38 = 84,431.32/x
  3. Step 3: Cross multiply
    148,087.60x = 204,364.38 × 84,431.32
  4. Step 4: Simplify right side
    148,087.60x = 17,254,754,170.09
  5. Step 5: Solve for x
    x = 17,254,754,170.09/148,087.60
  6. Step 6: Final answer
    x = 116,517.21

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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.