Home / 150,940.02-208,297.08-82,961.40

Finding the Fourth Proportional to 150,940.02, 208,297.08 and 82,961.40

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Solution

The fourth proportional to 150,940.02, 208,297.08 and 82,961.40 is: 114,486.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,940.02 : 208,297.08 = 82,961.40 : x
  2. Step 2: Convert to fraction form
    150,940.02/208,297.08 = 82,961.40/x
  3. Step 3: Cross multiply
    150,940.02x = 208,297.08 × 82,961.40
  4. Step 4: Simplify right side
    150,940.02x = 17,280,617,372.71
  5. Step 5: Solve for x
    x = 17,280,617,372.71/150,940.02
  6. Step 6: Final answer
    x = 114,486.65

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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.