Home / 125,047.83-187,271.43-71,577.75

Finding the Fourth Proportional to 125,047.83, 187,271.43 and 71,577.75

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Solution

The fourth proportional to 125,047.83, 187,271.43 and 71,577.75 is: 107,194.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,047.83 : 187,271.43 = 71,577.75 : x
  2. Step 2: Convert to fraction form
    125,047.83/187,271.43 = 71,577.75/x
  3. Step 3: Cross multiply
    125,047.83x = 187,271.43 × 71,577.75
  4. Step 4: Simplify right side
    125,047.83x = 13,404,467,240.79
  5. Step 5: Solve for x
    x = 13,404,467,240.79/125,047.83
  6. Step 6: Final answer
    x = 107,194.72

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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.