Home / 131,438.84-181,318.22-88,982.52

Finding the Fourth Proportional to 131,438.84, 181,318.22 and 88,982.52

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Solution

The fourth proportional to 131,438.84, 181,318.22 and 88,982.52 is: 122,750.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,438.84 : 181,318.22 = 88,982.52 : x
  2. Step 2: Convert to fraction form
    131,438.84/181,318.22 = 88,982.52/x
  3. Step 3: Cross multiply
    131,438.84x = 181,318.22 × 88,982.52
  4. Step 4: Simplify right side
    131,438.84x = 16,134,152,137.51
  5. Step 5: Solve for x
    x = 16,134,152,137.51/131,438.84
  6. Step 6: Final answer
    x = 122,750.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.