Home / 150,084.36-225,014.76-90,905.76

Finding the Fourth Proportional to 150,084.36, 225,014.76 and 90,905.76

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Solution

The fourth proportional to 150,084.36, 225,014.76 and 90,905.76 is: 136,290.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,084.36 : 225,014.76 = 90,905.76 : x
  2. Step 2: Convert to fraction form
    150,084.36/225,014.76 = 90,905.76/x
  3. Step 3: Cross multiply
    150,084.36x = 225,014.76 × 90,905.76
  4. Step 4: Simplify right side
    150,084.36x = 20,455,137,769.02
  5. Step 5: Solve for x
    x = 20,455,137,769.02/150,084.36
  6. Step 6: Final answer
    x = 136,290.94

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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.