Home / 138,696.02-208,049.98-54,474.44

Finding the Fourth Proportional to 138,696.02, 208,049.98 and 54,474.44

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Solution

The fourth proportional to 138,696.02, 208,049.98 and 54,474.44 is: 81,714.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,696.02 : 208,049.98 = 54,474.44 : x
  2. Step 2: Convert to fraction form
    138,696.02/208,049.98 = 54,474.44/x
  3. Step 3: Cross multiply
    138,696.02x = 208,049.98 × 54,474.44
  4. Step 4: Simplify right side
    138,696.02x = 11,333,406,152.51
  5. Step 5: Solve for x
    x = 11,333,406,152.51/138,696.02
  6. Step 6: Final answer
    x = 81,714.00

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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.