Home / 90,700.36-136,096.62-40,770.40

Finding the Fourth Proportional to 90,700.36, 136,096.62 and 40,770.40

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Solution

The fourth proportional to 90,700.36, 136,096.62 and 40,770.40 is: 61,176.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,700.36 : 136,096.62 = 40,770.40 : x
  2. Step 2: Convert to fraction form
    90,700.36/136,096.62 = 40,770.40/x
  3. Step 3: Cross multiply
    90,700.36x = 136,096.62 × 40,770.40
  4. Step 4: Simplify right side
    90,700.36x = 5,548,713,636.05
  5. Step 5: Solve for x
    x = 5,548,713,636.05/90,700.36
  6. Step 6: Final answer
    x = 61,176.31

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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.