Home / 140,531.88-210,880.80-51,847.32

Finding the Fourth Proportional to 140,531.88, 210,880.80 and 51,847.32

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Solution

The fourth proportional to 140,531.88, 210,880.80 and 51,847.32 is: 77,801.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,531.88 : 210,880.80 = 51,847.32 : x
  2. Step 2: Convert to fraction form
    140,531.88/210,880.80 = 51,847.32/x
  3. Step 3: Cross multiply
    140,531.88x = 210,880.80 × 51,847.32
  4. Step 4: Simplify right side
    140,531.88x = 10,933,604,319.46
  5. Step 5: Solve for x
    x = 10,933,604,319.46/140,531.88
  6. Step 6: Final answer
    x = 77,801.59

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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.