Home / 66,133.36-99,197.98-16,213.60

Finding the Fourth Proportional to 66,133.36, 99,197.98 and 16,213.60

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Solution

The fourth proportional to 66,133.36, 99,197.98 and 16,213.60 is: 24,319.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,133.36 : 99,197.98 = 16,213.60 : x
  2. Step 2: Convert to fraction form
    66,133.36/99,197.98 = 16,213.60/x
  3. Step 3: Cross multiply
    66,133.36x = 99,197.98 × 16,213.60
  4. Step 4: Simplify right side
    66,133.36x = 1,608,356,368.53
  5. Step 5: Solve for x
    x = 1,608,356,368.53/66,133.36
  6. Step 6: Final answer
    x = 24,319.89

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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.