Home / 140,771.75-211,155.93-56,530.40

Finding the Fourth Proportional to 140,771.75, 211,155.93 and 56,530.40

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Solution

The fourth proportional to 140,771.75, 211,155.93 and 56,530.40 is: 84,794.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,771.75 : 211,155.93 = 56,530.40 : x
  2. Step 2: Convert to fraction form
    140,771.75/211,155.93 = 56,530.40/x
  3. Step 3: Cross multiply
    140,771.75x = 211,155.93 × 56,530.40
  4. Step 4: Simplify right side
    140,771.75x = 11,936,728,129.49
  5. Step 5: Solve for x
    x = 11,936,728,129.49/140,771.75
  6. Step 6: Final answer
    x = 84,794.91

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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.