Home / 99,519.60-149,149.80-46,205.40

Finding the Fourth Proportional to 99,519.60, 149,149.80 and 46,205.40

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Solution

The fourth proportional to 99,519.60, 149,149.80 and 46,205.40 is: 69,247.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,519.60 : 149,149.80 = 46,205.40 : x
  2. Step 2: Convert to fraction form
    99,519.60/149,149.80 = 46,205.40/x
  3. Step 3: Cross multiply
    99,519.60x = 149,149.80 × 46,205.40
  4. Step 4: Simplify right side
    99,519.60x = 6,891,526,168.92
  5. Step 5: Solve for x
    x = 6,891,526,168.92/99,519.60
  6. Step 6: Final answer
    x = 69,247.93

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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.