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Finding the Fourth Proportional to 95,738.40, 143,607.60 and 43,250.40

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Solution

The fourth proportional to 95,738.40, 143,607.60 and 43,250.40 is: 64,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,738.40 : 143,607.60 = 43,250.40 : x
  2. Step 2: Convert to fraction form
    95,738.40/143,607.60 = 43,250.40/x
  3. Step 3: Cross multiply
    95,738.40x = 143,607.60 × 43,250.40
  4. Step 4: Simplify right side
    95,738.40x = 6,211,086,143.04
  5. Step 5: Solve for x
    x = 6,211,086,143.04/95,738.40
  6. Step 6: Final answer
    x = 64,875.60

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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.