Home / 131,235.35-181,104.74-71,619.35

Finding the Fourth Proportional to 131,235.35, 181,104.74 and 71,619.35

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Solution

The fourth proportional to 131,235.35, 181,104.74 and 71,619.35 is: 98,834.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,235.35 : 181,104.74 = 71,619.35 : x
  2. Step 2: Convert to fraction form
    131,235.35/181,104.74 = 71,619.35/x
  3. Step 3: Cross multiply
    131,235.35x = 181,104.74 × 71,619.35
  4. Step 4: Simplify right side
    131,235.35x = 12,970,603,402.62
  5. Step 5: Solve for x
    x = 12,970,603,402.62/131,235.35
  6. Step 6: Final answer
    x = 98,834.68

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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.