Home / 148,560.03-205,015.63-91,170.62

Finding the Fourth Proportional to 148,560.03, 205,015.63 and 91,170.62

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Solution

The fourth proportional to 148,560.03, 205,015.63 and 91,170.62 is: 125,817.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,560.03 : 205,015.63 = 91,170.62 : x
  2. Step 2: Convert to fraction form
    148,560.03/205,015.63 = 91,170.62/x
  3. Step 3: Cross multiply
    148,560.03x = 205,015.63 × 91,170.62
  4. Step 4: Simplify right side
    148,560.03x = 18,691,402,096.79
  5. Step 5: Solve for x
    x = 18,691,402,096.79/148,560.03
  6. Step 6: Final answer
    x = 125,817.17

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1.5x scale

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.