Home / 140,710.56-211,110-61,891.04

Finding the Fourth Proportional to 140,710.56, 211,110 and 61,891.04

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Solution

The fourth proportional to 140,710.56, 211,110 and 61,891.04 is: 92,855.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,710.56 : 211,110 = 61,891.04 : x
  2. Step 2: Convert to fraction form
    140,710.56/211,110 = 61,891.04/x
  3. Step 3: Cross multiply
    140,710.56x = 211,110 × 61,891.04
  4. Step 4: Simplify right side
    140,710.56x = 13,065,817,454.40
  5. Step 5: Solve for x
    x = 13,065,817,454.40/140,710.56
  6. Step 6: Final answer
    x = 92,855.98

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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.