Home / 140,001.78-210,003.42-34,820.75

Finding the Fourth Proportional to 140,001.78, 210,003.42 and 34,820.75

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Solution

The fourth proportional to 140,001.78, 210,003.42 and 34,820.75 is: 52,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,001.78 : 210,003.42 = 34,820.75 : x
  2. Step 2: Convert to fraction form
    140,001.78/210,003.42 = 34,820.75/x
  3. Step 3: Cross multiply
    140,001.78x = 210,003.42 × 34,820.75
  4. Step 4: Simplify right side
    140,001.78x = 7,312,475,536.95
  5. Step 5: Solve for x
    x = 7,312,475,536.95/140,001.78
  6. Step 6: Final answer
    x = 52,231.30

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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.