Home / 140,289.10-210,525.72-51,543.34

Finding the Fourth Proportional to 140,289.10, 210,525.72 and 51,543.34

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Solution

The fourth proportional to 140,289.10, 210,525.72 and 51,543.34 is: 77,348.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,289.10 : 210,525.72 = 51,543.34 : x
  2. Step 2: Convert to fraction form
    140,289.10/210,525.72 = 51,543.34/x
  3. Step 3: Cross multiply
    140,289.10x = 210,525.72 × 51,543.34
  4. Step 4: Simplify right side
    140,289.10x = 10,851,198,764.70
  5. Step 5: Solve for x
    x = 10,851,198,764.70/140,289.10
  6. Step 6: Final answer
    x = 77,348.84

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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.