Home / 140,241.72-210,206.75-106,851.70

Finding the Fourth Proportional to 140,241.72, 210,206.75 and 106,851.70

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Solution

The fourth proportional to 140,241.72, 210,206.75 and 106,851.70 is: 160,158.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,241.72 : 210,206.75 = 106,851.70 : x
  2. Step 2: Convert to fraction form
    140,241.72/210,206.75 = 106,851.70/x
  3. Step 3: Cross multiply
    140,241.72x = 210,206.75 × 106,851.70
  4. Step 4: Simplify right side
    140,241.72x = 22,460,948,330.59
  5. Step 5: Solve for x
    x = 22,460,948,330.59/140,241.72
  6. Step 6: Final answer
    x = 160,158.82

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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.