Home / 143,312.26-214,968.38-49,818

Finding the Fourth Proportional to 143,312.26, 214,968.38 and 49,818

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Solution

The fourth proportional to 143,312.26, 214,968.38 and 49,818 is: 74,727.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,312.26 : 214,968.38 = 49,818 : x
  2. Step 2: Convert to fraction form
    143,312.26/214,968.38 = 49,818/x
  3. Step 3: Cross multiply
    143,312.26x = 214,968.38 × 49,818
  4. Step 4: Simplify right side
    143,312.26x = 10,709,294,754.84
  5. Step 5: Solve for x
    x = 10,709,294,754.84/143,312.26
  6. Step 6: Final answer
    x = 74,727.00

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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.