Home / 251,983.04-347,736.52-138,808.16

Finding the Fourth Proportional to 251,983.04, 347,736.52 and 138,808.16

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Solution

The fourth proportional to 251,983.04, 347,736.52 and 138,808.16 is: 191,555.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,983.04 : 347,736.52 = 138,808.16 : x
  2. Step 2: Convert to fraction form
    251,983.04/347,736.52 = 138,808.16/x
  3. Step 3: Cross multiply
    251,983.04x = 347,736.52 × 138,808.16
  4. Step 4: Simplify right side
    251,983.04x = 48,268,666,506.00
  5. Step 5: Solve for x
    x = 48,268,666,506.00/251,983.04
  6. Step 6: Final answer
    x = 191,555.22

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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.