Home / 180,400.83-248,949.42-99,828.30

Finding the Fourth Proportional to 180,400.83, 248,949.42 and 99,828.30

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Solution

The fourth proportional to 180,400.83, 248,949.42 and 99,828.30 is: 137,760.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,400.83 : 248,949.42 = 99,828.30 : x
  2. Step 2: Convert to fraction form
    180,400.83/248,949.42 = 99,828.30/x
  3. Step 3: Cross multiply
    180,400.83x = 248,949.42 × 99,828.30
  4. Step 4: Simplify right side
    180,400.83x = 24,852,197,384.59
  5. Step 5: Solve for x
    x = 24,852,197,384.59/180,400.83
  6. Step 6: Final answer
    x = 137,760.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.