Home / 99,125.32-148,638.48-35,942.80

Finding the Fourth Proportional to 99,125.32, 148,638.48 and 35,942.80

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Solution

The fourth proportional to 99,125.32, 148,638.48 and 35,942.80 is: 53,896.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,125.32 : 148,638.48 = 35,942.80 : x
  2. Step 2: Convert to fraction form
    99,125.32/148,638.48 = 35,942.80/x
  3. Step 3: Cross multiply
    99,125.32x = 148,638.48 × 35,942.80
  4. Step 4: Simplify right side
    99,125.32x = 5,342,483,158.94
  5. Step 5: Solve for x
    x = 5,342,483,158.94/99,125.32
  6. Step 6: Final answer
    x = 53,896.25

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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.