Home / 103,974.07-143,520.98-61,532.50

Finding the Fourth Proportional to 103,974.07, 143,520.98 and 61,532.50

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Solution

The fourth proportional to 103,974.07, 143,520.98 and 61,532.50 is: 84,936.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,974.07 : 143,520.98 = 61,532.50 : x
  2. Step 2: Convert to fraction form
    103,974.07/143,520.98 = 61,532.50/x
  3. Step 3: Cross multiply
    103,974.07x = 143,520.98 × 61,532.50
  4. Step 4: Simplify right side
    103,974.07x = 8,831,204,701.85
  5. Step 5: Solve for x
    x = 8,831,204,701.85/103,974.07
  6. Step 6: Final answer
    x = 84,936.61

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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.