Home / 90,412.12-135,602.70-23,852.94

Finding the Fourth Proportional to 90,412.12, 135,602.70 and 23,852.94

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Solution

The fourth proportional to 90,412.12, 135,602.70 and 23,852.94 is: 35,775.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,412.12 : 135,602.70 = 23,852.94 : x
  2. Step 2: Convert to fraction form
    90,412.12/135,602.70 = 23,852.94/x
  3. Step 3: Cross multiply
    90,412.12x = 135,602.70 × 23,852.94
  4. Step 4: Simplify right side
    90,412.12x = 3,234,522,388.92
  5. Step 5: Solve for x
    x = 3,234,522,388.92/90,412.12
  6. Step 6: Final answer
    x = 35,775.32

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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.