Home / 140,142.05-210,207.11-65,236.35

Finding the Fourth Proportional to 140,142.05, 210,207.11 and 65,236.35

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Solution

The fourth proportional to 140,142.05, 210,207.11 and 65,236.35 is: 97,851.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,142.05 : 210,207.11 = 65,236.35 : x
  2. Step 2: Convert to fraction form
    140,142.05/210,207.11 = 65,236.35/x
  3. Step 3: Cross multiply
    140,142.05x = 210,207.11 × 65,236.35
  4. Step 4: Simplify right side
    140,142.05x = 13,713,144,274.27
  5. Step 5: Solve for x
    x = 13,713,144,274.27/140,142.05
  6. Step 6: Final answer
    x = 97,851.75

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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.