Home / 90,705.42-136,072.22-46,308.15

Finding the Fourth Proportional to 90,705.42, 136,072.22 and 46,308.15

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Solution

The fourth proportional to 90,705.42, 136,072.22 and 46,308.15 is: 69,469.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,705.42 : 136,072.22 = 46,308.15 : x
  2. Step 2: Convert to fraction form
    90,705.42/136,072.22 = 46,308.15/x
  3. Step 3: Cross multiply
    90,705.42x = 136,072.22 × 46,308.15
  4. Step 4: Simplify right side
    90,705.42x = 6,301,252,543.05
  5. Step 5: Solve for x
    x = 6,301,252,543.05/90,705.42
  6. Step 6: Final answer
    x = 69,469.42

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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.