Home / 84,632.04-117,326.88-80,137.89

Finding the Fourth Proportional to 84,632.04, 117,326.88 and 80,137.89

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Solution

The fourth proportional to 84,632.04, 117,326.88 and 80,137.89 is: 111,096.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,632.04 : 117,326.88 = 80,137.89 : x
  2. Step 2: Convert to fraction form
    84,632.04/117,326.88 = 80,137.89/x
  3. Step 3: Cross multiply
    84,632.04x = 117,326.88 × 80,137.89
  4. Step 4: Simplify right side
    84,632.04x = 9,402,328,603.48
  5. Step 5: Solve for x
    x = 9,402,328,603.48/84,632.04
  6. Step 6: Final answer
    x = 111,096.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.