Home / 150,068.20-225,029.40-83,437.60

Finding the Fourth Proportional to 150,068.20, 225,029.40 and 83,437.60

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Solution

The fourth proportional to 150,068.20, 225,029.40 and 83,437.60 is: 125,115.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,068.20 : 225,029.40 = 83,437.60 : x
  2. Step 2: Convert to fraction form
    150,068.20/225,029.40 = 83,437.60/x
  3. Step 3: Cross multiply
    150,068.20x = 225,029.40 × 83,437.60
  4. Step 4: Simplify right side
    150,068.20x = 18,775,913,065.44
  5. Step 5: Solve for x
    x = 18,775,913,065.44/150,068.20
  6. Step 6: Final answer
    x = 125,115.87

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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.