Home / 70,274.23-105,242.41-40,197.31

Finding the Fourth Proportional to 70,274.23, 105,242.41 and 40,197.31

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Solution

The fourth proportional to 70,274.23, 105,242.41 and 40,197.31 is: 60,199.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,274.23 : 105,242.41 = 40,197.31 : x
  2. Step 2: Convert to fraction form
    70,274.23/105,242.41 = 40,197.31/x
  3. Step 3: Cross multiply
    70,274.23x = 105,242.41 × 40,197.31
  4. Step 4: Simplify right side
    70,274.23x = 4,230,461,779.92
  5. Step 5: Solve for x
    x = 4,230,461,779.92/70,274.23
  6. Step 6: Final answer
    x = 60,199.33

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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.