Home / 143,718.34-215,603.61-48,943.66

Finding the Fourth Proportional to 143,718.34, 215,603.61 and 48,943.66

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Solution

The fourth proportional to 143,718.34, 215,603.61 and 48,943.66 is: 73,424.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,718.34 : 215,603.61 = 48,943.66 : x
  2. Step 2: Convert to fraction form
    143,718.34/215,603.61 = 48,943.66/x
  3. Step 3: Cross multiply
    143,718.34x = 215,603.61 × 48,943.66
  4. Step 4: Simplify right side
    143,718.34x = 10,552,429,782.61
  5. Step 5: Solve for x
    x = 10,552,429,782.61/143,718.34
  6. Step 6: Final answer
    x = 73,424.38

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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.