Home / 95,130.05-131,367.72-71,215.21

Finding the Fourth Proportional to 95,130.05, 131,367.72 and 71,215.21

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Solution

The fourth proportional to 95,130.05, 131,367.72 and 71,215.21 is: 98,343.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,130.05 : 131,367.72 = 71,215.21 : x
  2. Step 2: Convert to fraction form
    95,130.05/131,367.72 = 71,215.21/x
  3. Step 3: Cross multiply
    95,130.05x = 131,367.72 × 71,215.21
  4. Step 4: Simplify right side
    95,130.05x = 9,355,379,058.76
  5. Step 5: Solve for x
    x = 9,355,379,058.76/95,130.05
  6. Step 6: Final answer
    x = 98,343.05

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1.5x scale

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.