Home / 150,216.06-207,320.93-85,684.98

Finding the Fourth Proportional to 150,216.06, 207,320.93 and 85,684.98

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Solution

The fourth proportional to 150,216.06, 207,320.93 and 85,684.98 is: 118,258.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,216.06 : 207,320.93 = 85,684.98 : x
  2. Step 2: Convert to fraction form
    150,216.06/207,320.93 = 85,684.98/x
  3. Step 3: Cross multiply
    150,216.06x = 207,320.93 × 85,684.98
  4. Step 4: Simplify right side
    150,216.06x = 17,764,289,740.63
  5. Step 5: Solve for x
    x = 17,764,289,740.63/150,216.06
  6. Step 6: Final answer
    x = 118,258.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.