Home / 143,968.32-198,573.40-124,813.88

Finding the Fourth Proportional to 143,968.32, 198,573.40 and 124,813.88

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Solution

The fourth proportional to 143,968.32, 198,573.40 and 124,813.88 is: 172,153.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,968.32 : 198,573.40 = 124,813.88 : x
  2. Step 2: Convert to fraction form
    143,968.32/198,573.40 = 124,813.88/x
  3. Step 3: Cross multiply
    143,968.32x = 198,573.40 × 124,813.88
  4. Step 4: Simplify right side
    143,968.32x = 24,784,716,518.79
  5. Step 5: Solve for x
    x = 24,784,716,518.79/143,968.32
  6. Step 6: Final answer
    x = 172,153.96

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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.