Home / 143,272.56-214,934.78-47,214.90

Finding the Fourth Proportional to 143,272.56, 214,934.78 and 47,214.90

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Solution

The fourth proportional to 143,272.56, 214,934.78 and 47,214.90 is: 70,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,272.56 : 214,934.78 = 47,214.90 : x
  2. Step 2: Convert to fraction form
    143,272.56/214,934.78 = 47,214.90/x
  3. Step 3: Cross multiply
    143,272.56x = 214,934.78 × 47,214.90
  4. Step 4: Simplify right side
    143,272.56x = 10,148,124,144.22
  5. Step 5: Solve for x
    x = 10,148,124,144.22/143,272.56
  6. Step 6: Final answer
    x = 70,830.90

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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.