Home / 140,293.40-210,440.08-51,508.48

Finding the Fourth Proportional to 140,293.40, 210,440.08 and 51,508.48

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Solution

The fourth proportional to 140,293.40, 210,440.08 and 51,508.48 is: 77,262.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,293.40 : 210,440.08 = 51,508.48 : x
  2. Step 2: Convert to fraction form
    140,293.40/210,440.08 = 51,508.48/x
  3. Step 3: Cross multiply
    140,293.40x = 210,440.08 × 51,508.48
  4. Step 4: Simplify right side
    140,293.40x = 10,839,448,651.88
  5. Step 5: Solve for x
    x = 10,839,448,651.88/140,293.40
  6. Step 6: Final answer
    x = 77,262.71

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1.5x scale

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.