Home / 102,922.60-154,383.90-101,938.45

Finding the Fourth Proportional to 102,922.60, 154,383.90 and 101,938.45

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Solution

The fourth proportional to 102,922.60, 154,383.90 and 101,938.45 is: 152,907.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,922.60 : 154,383.90 = 101,938.45 : x
  2. Step 2: Convert to fraction form
    102,922.60/154,383.90 = 101,938.45/x
  3. Step 3: Cross multiply
    102,922.60x = 154,383.90 × 101,938.45
  4. Step 4: Simplify right side
    102,922.60x = 15,737,655,470.96
  5. Step 5: Solve for x
    x = 15,737,655,470.96/102,922.60
  6. Step 6: Final answer
    x = 152,907.68

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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.