Home / 140,010.72-210,015.64-34,829.70

Finding the Fourth Proportional to 140,010.72, 210,015.64 and 34,829.70

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Solution

The fourth proportional to 140,010.72, 210,015.64 and 34,829.70 is: 52,244.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,010.72 : 210,015.64 = 34,829.70 : x
  2. Step 2: Convert to fraction form
    140,010.72/210,015.64 = 34,829.70/x
  3. Step 3: Cross multiply
    140,010.72x = 210,015.64 × 34,829.70
  4. Step 4: Simplify right side
    140,010.72x = 7,314,781,736.51
  5. Step 5: Solve for x
    x = 7,314,781,736.51/140,010.72
  6. Step 6: Final answer
    x = 52,244.44

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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.