Home / 143,267.10-214,900.65-72,408.30

Finding the Fourth Proportional to 143,267.10, 214,900.65 and 72,408.30

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Solution

The fourth proportional to 143,267.10, 214,900.65 and 72,408.30 is: 108,612.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,267.10 : 214,900.65 = 72,408.30 : x
  2. Step 2: Convert to fraction form
    143,267.10/214,900.65 = 72,408.30/x
  3. Step 3: Cross multiply
    143,267.10x = 214,900.65 × 72,408.30
  4. Step 4: Simplify right side
    143,267.10x = 15,560,590,735.40
  5. Step 5: Solve for x
    x = 15,560,590,735.40/143,267.10
  6. Step 6: Final answer
    x = 108,612.45

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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.