Home / 131,488.08-181,603.32-88,392.84

Finding the Fourth Proportional to 131,488.08, 181,603.32 and 88,392.84

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Solution

The fourth proportional to 131,488.08, 181,603.32 and 88,392.84 is: 122,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,488.08 : 181,603.32 = 88,392.84 : x
  2. Step 2: Convert to fraction form
    131,488.08/181,603.32 = 88,392.84/x
  3. Step 3: Cross multiply
    131,488.08x = 181,603.32 × 88,392.84
  4. Step 4: Simplify right side
    131,488.08x = 16,052,433,208.23
  5. Step 5: Solve for x
    x = 16,052,433,208.23/131,488.08
  6. Step 6: Final answer
    x = 122,082.80

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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.