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Finding the Fourth Proportional to 146,265.95, 219,219.41 and 83,138.91

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Solution

The fourth proportional to 146,265.95, 219,219.41 and 83,138.91 is: 124,606.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,265.95 : 219,219.41 = 83,138.91 : x
  2. Step 2: Convert to fraction form
    146,265.95/219,219.41 = 83,138.91/x
  3. Step 3: Cross multiply
    146,265.95x = 219,219.41 × 83,138.91
  4. Step 4: Simplify right side
    146,265.95x = 18,225,662,184.02
  5. Step 5: Solve for x
    x = 18,225,662,184.02/146,265.95
  6. Step 6: Final answer
    x = 124,606.32

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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.