Home / 140,117.45-210,173.94-65,195.69

Finding the Fourth Proportional to 140,117.45, 210,173.94 and 65,195.69

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Solution

The fourth proportional to 140,117.45, 210,173.94 and 65,195.69 is: 97,792.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,117.45 : 210,173.94 = 65,195.69 : x
  2. Step 2: Convert to fraction form
    140,117.45/210,173.94 = 65,195.69/x
  3. Step 3: Cross multiply
    140,117.45x = 210,173.94 × 65,195.69
  4. Step 4: Simplify right side
    140,117.45x = 13,702,433,987.45
  5. Step 5: Solve for x
    x = 13,702,433,987.45/140,117.45
  6. Step 6: Final answer
    x = 97,792.49

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1.5x scale

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.