Home / 284,175.45-426,427.20-106,700.40

Finding the Fourth Proportional to 284,175.45, 426,427.20 and 106,700.40

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Solution

The fourth proportional to 284,175.45, 426,427.20 and 106,700.40 is: 160,112.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,175.45 : 426,427.20 = 106,700.40 : x
  2. Step 2: Convert to fraction form
    284,175.45/426,427.20 = 106,700.40/x
  3. Step 3: Cross multiply
    284,175.45x = 426,427.20 × 106,700.40
  4. Step 4: Simplify right side
    284,175.45x = 45,499,952,810.88
  5. Step 5: Solve for x
    x = 45,499,952,810.88/284,175.45
  6. Step 6: Final answer
    x = 160,112.19

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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.