Home / 148,597.56-205,065-84,972.60

Finding the Fourth Proportional to 148,597.56, 205,065 and 84,972.60

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Solution

The fourth proportional to 148,597.56, 205,065 and 84,972.60 is: 117,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,597.56 : 205,065 = 84,972.60 : x
  2. Step 2: Convert to fraction form
    148,597.56/205,065 = 84,972.60/x
  3. Step 3: Cross multiply
    148,597.56x = 205,065 × 84,972.60
  4. Step 4: Simplify right side
    148,597.56x = 17,424,906,219
  5. Step 5: Solve for x
    x = 17,424,906,219/148,597.56
  6. Step 6: Final answer
    x = 117,262.40

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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.