Home / 140,146.69-210,094.99-51,379.46

Finding the Fourth Proportional to 140,146.69, 210,094.99 and 51,379.46

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Solution

The fourth proportional to 140,146.69, 210,094.99 and 51,379.46 is: 77,023.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,146.69 : 210,094.99 = 51,379.46 : x
  2. Step 2: Convert to fraction form
    140,146.69/210,094.99 = 51,379.46/x
  3. Step 3: Cross multiply
    140,146.69x = 210,094.99 × 51,379.46
  4. Step 4: Simplify right side
    140,146.69x = 10,794,567,134.91
  5. Step 5: Solve for x
    x = 10,794,567,134.91/140,146.69
  6. Step 6: Final answer
    x = 77,023.35

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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.