Home / 66,098.19-99,148.56-16,178.72

Finding the Fourth Proportional to 66,098.19, 99,148.56 and 16,178.72

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Solution

The fourth proportional to 66,098.19, 99,148.56 and 16,178.72 is: 24,268.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,098.19 : 99,148.56 = 16,178.72 : x
  2. Step 2: Convert to fraction form
    66,098.19/99,148.56 = 16,178.72/x
  3. Step 3: Cross multiply
    66,098.19x = 99,148.56 × 16,178.72
  4. Step 4: Simplify right side
    66,098.19x = 1,604,096,790.64
  5. Step 5: Solve for x
    x = 1,604,096,790.64/66,098.19
  6. Step 6: Final answer
    x = 24,268.39

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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.