Home / 90,864.64-136,295.74-23,396.30

Finding the Fourth Proportional to 90,864.64, 136,295.74 and 23,396.30

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Solution

The fourth proportional to 90,864.64, 136,295.74 and 23,396.30 is: 35,094.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,864.64 : 136,295.74 = 23,396.30 : x
  2. Step 2: Convert to fraction form
    90,864.64/136,295.74 = 23,396.30/x
  3. Step 3: Cross multiply
    90,864.64x = 136,295.74 × 23,396.30
  4. Step 4: Simplify right side
    90,864.64x = 3,188,816,021.76
  5. Step 5: Solve for x
    x = 3,188,816,021.76/90,864.64
  6. Step 6: Final answer
    x = 35,094.14

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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.