Home / 105,211.75-145,172.94-59,887.09

Finding the Fourth Proportional to 105,211.75, 145,172.94 and 59,887.09

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Solution

The fourth proportional to 105,211.75, 145,172.94 and 59,887.09 is: 82,633.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,211.75 : 145,172.94 = 59,887.09 : x
  2. Step 2: Convert to fraction form
    105,211.75/145,172.94 = 59,887.09/x
  3. Step 3: Cross multiply
    105,211.75x = 145,172.94 × 59,887.09
  4. Step 4: Simplify right side
    105,211.75x = 8,693,984,923.34
  5. Step 5: Solve for x
    x = 8,693,984,923.34/105,211.75
  6. Step 6: Final answer
    x = 82,633.21

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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.