Home / 148,701.42-205,202.43-85,037.58

Finding the Fourth Proportional to 148,701.42, 205,202.43 and 85,037.58

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Solution

The fourth proportional to 148,701.42, 205,202.43 and 85,037.58 is: 117,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,701.42 : 205,202.43 = 85,037.58 : x
  2. Step 2: Convert to fraction form
    148,701.42/205,202.43 = 85,037.58/x
  3. Step 3: Cross multiply
    148,701.42x = 205,202.43 × 85,037.58
  4. Step 4: Simplify right side
    148,701.42x = 17,449,918,057.32
  5. Step 5: Solve for x
    x = 17,449,918,057.32/148,701.42
  6. Step 6: Final answer
    x = 117,348.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.