Home / 143,424.87-215,163.02-59,138.16

Finding the Fourth Proportional to 143,424.87, 215,163.02 and 59,138.16

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Solution

The fourth proportional to 143,424.87, 215,163.02 and 59,138.16 is: 88,717.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,424.87 : 215,163.02 = 59,138.16 : x
  2. Step 2: Convert to fraction form
    143,424.87/215,163.02 = 59,138.16/x
  3. Step 3: Cross multiply
    143,424.87x = 215,163.02 × 59,138.16
  4. Step 4: Simplify right side
    143,424.87x = 12,724,345,102.84
  5. Step 5: Solve for x
    x = 12,724,345,102.84/143,424.87
  6. Step 6: Final answer
    x = 88,717.84

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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.