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Finding the Fourth Proportional to 110,133.98, 151,950.75 and 61,729.20

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Solution

The fourth proportional to 110,133.98, 151,950.75 and 61,729.20 is: 85,167.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,133.98 : 151,950.75 = 61,729.20 : x
  2. Step 2: Convert to fraction form
    110,133.98/151,950.75 = 61,729.20/x
  3. Step 3: Cross multiply
    110,133.98x = 151,950.75 × 61,729.20
  4. Step 4: Simplify right side
    110,133.98x = 9,379,798,236.90
  5. Step 5: Solve for x
    x = 9,379,798,236.90/110,133.98
  6. Step 6: Final answer
    x = 85,167.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.