Home / 66,868.16-100,302.03-16,948.10

Finding the Fourth Proportional to 66,868.16, 100,302.03 and 16,948.10

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Solution

The fourth proportional to 66,868.16, 100,302.03 and 16,948.10 is: 25,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,868.16 : 100,302.03 = 16,948.10 : x
  2. Step 2: Convert to fraction form
    66,868.16/100,302.03 = 16,948.10/x
  3. Step 3: Cross multiply
    66,868.16x = 100,302.03 × 16,948.10
  4. Step 4: Simplify right side
    66,868.16x = 1,699,929,085.40
  5. Step 5: Solve for x
    x = 1,699,929,085.40/66,868.16
  6. Step 6: Final answer
    x = 25,422.10

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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.