Home / 143,980.07-216,035.75-73,908.63

Finding the Fourth Proportional to 143,980.07, 216,035.75 and 73,908.63

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Solution

The fourth proportional to 143,980.07, 216,035.75 and 73,908.63 is: 110,896.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,980.07 : 216,035.75 = 73,908.63 : x
  2. Step 2: Convert to fraction form
    143,980.07/216,035.75 = 73,908.63/x
  3. Step 3: Cross multiply
    143,980.07x = 216,035.75 × 73,908.63
  4. Step 4: Simplify right side
    143,980.07x = 15,966,905,943.98
  5. Step 5: Solve for x
    x = 15,966,905,943.98/143,980.07
  6. Step 6: Final answer
    x = 110,896.64

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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.