Home / 66,146.79-99,220.46-16,227.21

Finding the Fourth Proportional to 66,146.79, 99,220.46 and 16,227.21

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Solution

The fourth proportional to 66,146.79, 99,220.46 and 16,227.21 is: 24,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,146.79 : 99,220.46 = 16,227.21 : x
  2. Step 2: Convert to fraction form
    66,146.79/99,220.46 = 16,227.21/x
  3. Step 3: Cross multiply
    66,146.79x = 99,220.46 × 16,227.21
  4. Step 4: Simplify right side
    66,146.79x = 1,610,071,159.58
  5. Step 5: Solve for x
    x = 1,610,071,159.58/66,146.79
  6. Step 6: Final answer
    x = 24,340.88

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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.