Home / 146,491.20-219,736.80-124,718.40

Finding the Fourth Proportional to 146,491.20, 219,736.80 and 124,718.40

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Solution

The fourth proportional to 146,491.20, 219,736.80 and 124,718.40 is: 187,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,491.20 : 219,736.80 = 124,718.40 : x
  2. Step 2: Convert to fraction form
    146,491.20/219,736.80 = 124,718.40/x
  3. Step 3: Cross multiply
    146,491.20x = 219,736.80 × 124,718.40
  4. Step 4: Simplify right side
    146,491.20x = 27,405,222,117.12
  5. Step 5: Solve for x
    x = 27,405,222,117.12/146,491.20
  6. Step 6: Final answer
    x = 187,077.60

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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.