Home / 66,166.07-99,254.57-21,193.99

Finding the Fourth Proportional to 66,166.07, 99,254.57 and 21,193.99

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Solution

The fourth proportional to 66,166.07, 99,254.57 and 21,193.99 is: 31,792.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,166.07 : 99,254.57 = 21,193.99 : x
  2. Step 2: Convert to fraction form
    66,166.07/99,254.57 = 21,193.99/x
  3. Step 3: Cross multiply
    66,166.07x = 99,254.57 × 21,193.99
  4. Step 4: Simplify right side
    66,166.07x = 2,103,600,364.03
  5. Step 5: Solve for x
    x = 2,103,600,364.03/66,166.07
  6. Step 6: Final answer
    x = 31,792.74

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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.