Home / 131,554.23-181,544.87-71,124.85

Finding the Fourth Proportional to 131,554.23, 181,544.87 and 71,124.85

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Solution

The fourth proportional to 131,554.23, 181,544.87 and 71,124.85 is: 98,152.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,554.23 : 181,544.87 = 71,124.85 : x
  2. Step 2: Convert to fraction form
    131,554.23/181,544.87 = 71,124.85/x
  3. Step 3: Cross multiply
    131,554.23x = 181,544.87 × 71,124.85
  4. Step 4: Simplify right side
    131,554.23x = 12,912,351,647.02
  5. Step 5: Solve for x
    x = 12,912,351,647.02/131,554.23
  6. Step 6: Final answer
    x = 98,152.31

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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.