Home / 143,225.35-214,735.83-67,281.51

Finding the Fourth Proportional to 143,225.35, 214,735.83 and 67,281.51

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Solution

The fourth proportional to 143,225.35, 214,735.83 and 67,281.51 is: 100,874.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,225.35 : 214,735.83 = 67,281.51 : x
  2. Step 2: Convert to fraction form
    143,225.35/214,735.83 = 67,281.51/x
  3. Step 3: Cross multiply
    143,225.35x = 214,735.83 × 67,281.51
  4. Step 4: Simplify right side
    143,225.35x = 14,447,750,893.50
  5. Step 5: Solve for x
    x = 14,447,750,893.50/143,225.35
  6. Step 6: Final answer
    x = 100,874.26

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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.