Home / 99,015.28-148,522.88-28,894.56

Finding the Fourth Proportional to 99,015.28, 148,522.88 and 28,894.56

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Solution

The fourth proportional to 99,015.28, 148,522.88 and 28,894.56 is: 43,341.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,015.28 : 148,522.88 = 28,894.56 : x
  2. Step 2: Convert to fraction form
    99,015.28/148,522.88 = 28,894.56/x
  3. Step 3: Cross multiply
    99,015.28x = 148,522.88 × 28,894.56
  4. Step 4: Simplify right side
    99,015.28x = 4,291,503,267.53
  5. Step 5: Solve for x
    x = 4,291,503,267.53/99,015.28
  6. Step 6: Final answer
    x = 43,341.83

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1.5x scale

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.