Home / 150,657.08-207,906.74-86,127.70

Finding the Fourth Proportional to 150,657.08, 207,906.74 and 86,127.70

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Solution

The fourth proportional to 150,657.08, 207,906.74 and 86,127.70 is: 118,856.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,657.08 : 207,906.74 = 86,127.70 : x
  2. Step 2: Convert to fraction form
    150,657.08/207,906.74 = 86,127.70/x
  3. Step 3: Cross multiply
    150,657.08x = 207,906.74 × 86,127.70
  4. Step 4: Simplify right side
    150,657.08x = 17,906,529,330.70
  5. Step 5: Solve for x
    x = 17,906,529,330.70/150,657.08
  6. Step 6: Final answer
    x = 118,856.21

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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.