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Finding the Fourth Proportional to 146,209.60, 219,411.60 and 83,029.60

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Solution

The fourth proportional to 146,209.60, 219,411.60 and 83,029.60 is: 124,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,209.60 : 219,411.60 = 83,029.60 : x
  2. Step 2: Convert to fraction form
    146,209.60/219,411.60 = 83,029.60/x
  3. Step 3: Cross multiply
    146,209.60x = 219,411.60 × 83,029.60
  4. Step 4: Simplify right side
    146,209.60x = 18,217,657,383.36
  5. Step 5: Solve for x
    x = 18,217,657,383.36/146,209.60
  6. Step 6: Final answer
    x = 124,599.60

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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.