Home / 146,043.45-201,541.50-81,518.85

Finding the Fourth Proportional to 146,043.45, 201,541.50 and 81,518.85

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Solution

The fourth proportional to 146,043.45, 201,541.50 and 81,518.85 is: 112,496.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,043.45 : 201,541.50 = 81,518.85 : x
  2. Step 2: Convert to fraction form
    146,043.45/201,541.50 = 81,518.85/x
  3. Step 3: Cross multiply
    146,043.45x = 201,541.50 × 81,518.85
  4. Step 4: Simplify right side
    146,043.45x = 16,429,431,307.28
  5. Step 5: Solve for x
    x = 16,429,431,307.28/146,043.45
  6. Step 6: Final answer
    x = 112,496.87

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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.