Home / 165,761.21-248,639.98-99,219.91

Finding the Fourth Proportional to 165,761.21, 248,639.98 and 99,219.91

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Solution

The fourth proportional to 165,761.21, 248,639.98 and 99,219.91 is: 148,828.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,761.21 : 248,639.98 = 99,219.91 : x
  2. Step 2: Convert to fraction form
    165,761.21/248,639.98 = 99,219.91/x
  3. Step 3: Cross multiply
    165,761.21x = 248,639.98 × 99,219.91
  4. Step 4: Simplify right side
    165,761.21x = 24,670,036,438.00
  5. Step 5: Solve for x
    x = 24,670,036,438.00/165,761.21
  6. Step 6: Final answer
    x = 148,828.77

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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.