Home / 252,810.30-348,880.02-139,633.05

Finding the Fourth Proportional to 252,810.30, 348,880.02 and 139,633.05

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Solution

The fourth proportional to 252,810.30, 348,880.02 and 139,633.05 is: 192,694.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,810.30 : 348,880.02 = 139,633.05 : x
  2. Step 2: Convert to fraction form
    252,810.30/348,880.02 = 139,633.05/x
  3. Step 3: Cross multiply
    252,810.30x = 348,880.02 × 139,633.05
  4. Step 4: Simplify right side
    252,810.30x = 48,715,181,276.66
  5. Step 5: Solve for x
    x = 48,715,181,276.66/252,810.30
  6. Step 6: Final answer
    x = 192,694.61

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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.