Home / 143,248.42-214,817.28-48,453.40

Finding the Fourth Proportional to 143,248.42, 214,817.28 and 48,453.40

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Solution

The fourth proportional to 143,248.42, 214,817.28 and 48,453.40 is: 72,661.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,248.42 : 214,817.28 = 48,453.40 : x
  2. Step 2: Convert to fraction form
    143,248.42/214,817.28 = 48,453.40/x
  3. Step 3: Cross multiply
    143,248.42x = 214,817.28 × 48,453.40
  4. Step 4: Simplify right side
    143,248.42x = 10,408,627,594.75
  5. Step 5: Solve for x
    x = 10,408,627,594.75/143,248.42
  6. Step 6: Final answer
    x = 72,661.38

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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.