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Finding the Fourth Proportional to 95,307.66, 142,912.67 and 50,353.15

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Solution

The fourth proportional to 95,307.66, 142,912.67 and 50,353.15 is: 75,503.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,307.66 : 142,912.67 = 50,353.15 : x
  2. Step 2: Convert to fraction form
    95,307.66/142,912.67 = 50,353.15/x
  3. Step 3: Cross multiply
    95,307.66x = 142,912.67 × 50,353.15
  4. Step 4: Simplify right side
    95,307.66x = 7,196,102,638.16
  5. Step 5: Solve for x
    x = 7,196,102,638.16/95,307.66
  6. Step 6: Final answer
    x = 75,503.93

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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.