Home / 140,122.29-210,177.56-65,216.67

Finding the Fourth Proportional to 140,122.29, 210,177.56 and 65,216.67

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Solution

The fourth proportional to 140,122.29, 210,177.56 and 65,216.67 is: 97,822.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,122.29 : 210,177.56 = 65,216.67 : x
  2. Step 2: Convert to fraction form
    140,122.29/210,177.56 = 65,216.67/x
  3. Step 3: Cross multiply
    140,122.29x = 210,177.56 × 65,216.67
  4. Step 4: Simplify right side
    140,122.29x = 13,707,080,245.84
  5. Step 5: Solve for x
    x = 13,707,080,245.84/140,122.29
  6. Step 6: Final answer
    x = 97,822.27

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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.