Home / 103,577.07-155,348.29-28,704.81

Finding the Fourth Proportional to 103,577.07, 155,348.29 and 28,704.81

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Solution

The fourth proportional to 103,577.07, 155,348.29 and 28,704.81 is: 43,052.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,577.07 : 155,348.29 = 28,704.81 : x
  2. Step 2: Convert to fraction form
    103,577.07/155,348.29 = 28,704.81/x
  3. Step 3: Cross multiply
    103,577.07x = 155,348.29 × 28,704.81
  4. Step 4: Simplify right side
    103,577.07x = 4,459,243,148.27
  5. Step 5: Solve for x
    x = 4,459,243,148.27/103,577.07
  6. Step 6: Final answer
    x = 43,052.42

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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.