Home / 146,720.30-219,931.57-83,409.64

Finding the Fourth Proportional to 146,720.30, 219,931.57 and 83,409.64

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Solution

The fourth proportional to 146,720.30, 219,931.57 and 83,409.64 is: 125,029.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,720.30 : 219,931.57 = 83,409.64 : x
  2. Step 2: Convert to fraction form
    146,720.30/219,931.57 = 83,409.64/x
  3. Step 3: Cross multiply
    146,720.30x = 219,931.57 × 83,409.64
  4. Step 4: Simplify right side
    146,720.30x = 18,344,412,319.98
  5. Step 5: Solve for x
    x = 18,344,412,319.98/146,720.30
  6. Step 6: Final answer
    x = 125,029.82

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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.