Home / 146,601.30-219,901.95-128,522.10

Finding the Fourth Proportional to 146,601.30, 219,901.95 and 128,522.10

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Solution

The fourth proportional to 146,601.30, 219,901.95 and 128,522.10 is: 192,783.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,601.30 : 219,901.95 = 128,522.10 : x
  2. Step 2: Convert to fraction form
    146,601.30/219,901.95 = 128,522.10/x
  3. Step 3: Cross multiply
    146,601.30x = 219,901.95 × 128,522.10
  4. Step 4: Simplify right side
    146,601.30x = 28,262,260,408.10
  5. Step 5: Solve for x
    x = 28,262,260,408.10/146,601.30
  6. Step 6: Final answer
    x = 192,783.15

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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.