Home / 150,257.60-225,350.40-86,940.80

Finding the Fourth Proportional to 150,257.60, 225,350.40 and 86,940.80

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Solution

The fourth proportional to 150,257.60, 225,350.40 and 86,940.80 is: 130,390.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,257.60 : 225,350.40 = 86,940.80 : x
  2. Step 2: Convert to fraction form
    150,257.60/225,350.40 = 86,940.80/x
  3. Step 3: Cross multiply
    150,257.60x = 225,350.40 × 86,940.80
  4. Step 4: Simplify right side
    150,257.60x = 19,592,144,056.32
  5. Step 5: Solve for x
    x = 19,592,144,056.32/150,257.60
  6. Step 6: Final answer
    x = 130,390.37

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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.