Home / 125,621.72-173,349.82-71,907.16

Finding the Fourth Proportional to 125,621.72, 173,349.82 and 71,907.16

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Solution

The fourth proportional to 125,621.72, 173,349.82 and 71,907.16 is: 99,227.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,621.72 : 173,349.82 = 71,907.16 : x
  2. Step 2: Convert to fraction form
    125,621.72/173,349.82 = 71,907.16/x
  3. Step 3: Cross multiply
    125,621.72x = 173,349.82 × 71,907.16
  4. Step 4: Simplify right side
    125,621.72x = 12,465,093,242.71
  5. Step 5: Solve for x
    x = 12,465,093,242.71/125,621.72
  6. Step 6: Final answer
    x = 99,227.21

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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.