Home / 148,558.20-205,028.46-84,881.40

Finding the Fourth Proportional to 148,558.20, 205,028.46 and 84,881.40

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Solution

The fourth proportional to 148,558.20, 205,028.46 and 84,881.40 is: 117,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,558.20 : 205,028.46 = 84,881.40 : x
  2. Step 2: Convert to fraction form
    148,558.20/205,028.46 = 84,881.40/x
  3. Step 3: Cross multiply
    148,558.20x = 205,028.46 × 84,881.40
  4. Step 4: Simplify right side
    148,558.20x = 17,403,102,724.64
  5. Step 5: Solve for x
    x = 17,403,102,724.64/148,558.20
  6. Step 6: Final answer
    x = 117,146.70

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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.