Home / 103,835.60-155,753.40-102,851.45

Finding the Fourth Proportional to 103,835.60, 155,753.40 and 102,851.45

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Solution

The fourth proportional to 103,835.60, 155,753.40 and 102,851.45 is: 154,277.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,835.60 : 155,753.40 = 102,851.45 : x
  2. Step 2: Convert to fraction form
    103,835.60/155,753.40 = 102,851.45/x
  3. Step 3: Cross multiply
    103,835.60x = 155,753.40 × 102,851.45
  4. Step 4: Simplify right side
    103,835.60x = 16,019,463,032.43
  5. Step 5: Solve for x
    x = 16,019,463,032.43/103,835.60
  6. Step 6: Final answer
    x = 154,277.18

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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.