Home / 150,210.72-225,307.44-45,031.68

Finding the Fourth Proportional to 150,210.72, 225,307.44 and 45,031.68

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Solution

The fourth proportional to 150,210.72, 225,307.44 and 45,031.68 is: 67,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,210.72 : 225,307.44 = 45,031.68 : x
  2. Step 2: Convert to fraction form
    150,210.72/225,307.44 = 45,031.68/x
  3. Step 3: Cross multiply
    150,210.72x = 225,307.44 × 45,031.68
  4. Step 4: Simplify right side
    150,210.72x = 10,145,972,539.70
  5. Step 5: Solve for x
    x = 10,145,972,539.70/150,210.72
  6. Step 6: Final answer
    x = 67,544.93

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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.