Home / 143,442.26-215,192.54-49,955.30

Finding the Fourth Proportional to 143,442.26, 215,192.54 and 49,955.30

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Solution

The fourth proportional to 143,442.26, 215,192.54 and 49,955.30 is: 74,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,442.26 : 215,192.54 = 49,955.30 : x
  2. Step 2: Convert to fraction form
    143,442.26/215,192.54 = 49,955.30/x
  3. Step 3: Cross multiply
    143,442.26x = 215,192.54 × 49,955.30
  4. Step 4: Simplify right side
    143,442.26x = 10,750,007,893.46
  5. Step 5: Solve for x
    x = 10,750,007,893.46/143,442.26
  6. Step 6: Final answer
    x = 74,943.10

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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.