Home / 81,644.32-122,228.58-60,677.20

Finding the Fourth Proportional to 81,644.32, 122,228.58 and 60,677.20

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Solution

The fourth proportional to 81,644.32, 122,228.58 and 60,677.20 is: 90,839.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,644.32 : 122,228.58 = 60,677.20 : x
  2. Step 2: Convert to fraction form
    81,644.32/122,228.58 = 60,677.20/x
  3. Step 3: Cross multiply
    81,644.32x = 122,228.58 × 60,677.20
  4. Step 4: Simplify right side
    81,644.32x = 7,416,487,994.38
  5. Step 5: Solve for x
    x = 7,416,487,994.38/81,644.32
  6. Step 6: Final answer
    x = 90,839.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.