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Finding the Fourth Proportional to 143,350.80, 214,961.40 and 64,424.40

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Solution

The fourth proportional to 143,350.80, 214,961.40 and 64,424.40 is: 96,607.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,350.80 : 214,961.40 = 64,424.40 : x
  2. Step 2: Convert to fraction form
    143,350.80/214,961.40 = 64,424.40/x
  3. Step 3: Cross multiply
    143,350.80x = 214,961.40 × 64,424.40
  4. Step 4: Simplify right side
    143,350.80x = 13,848,759,218.16
  5. Step 5: Solve for x
    x = 13,848,759,218.16/143,350.80
  6. Step 6: Final answer
    x = 96,607.48

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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.