Home / 140,733.28-211,051.20-40,866.40

Finding the Fourth Proportional to 140,733.28, 211,051.20 and 40,866.40

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Solution

The fourth proportional to 140,733.28, 211,051.20 and 40,866.40 is: 61,285.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,733.28 : 211,051.20 = 40,866.40 : x
  2. Step 2: Convert to fraction form
    140,733.28/211,051.20 = 40,866.40/x
  3. Step 3: Cross multiply
    140,733.28x = 211,051.20 × 40,866.40
  4. Step 4: Simplify right side
    140,733.28x = 8,624,902,759.68
  5. Step 5: Solve for x
    x = 8,624,902,759.68/140,733.28
  6. Step 6: Final answer
    x = 61,285.45

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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.