Home / 70,193.09-105,274.14-20,262.34

Finding the Fourth Proportional to 70,193.09, 105,274.14 and 20,262.34

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Solution

The fourth proportional to 70,193.09, 105,274.14 and 20,262.34 is: 30,389.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,193.09 : 105,274.14 = 20,262.34 : x
  2. Step 2: Convert to fraction form
    70,193.09/105,274.14 = 20,262.34/x
  3. Step 3: Cross multiply
    70,193.09x = 105,274.14 × 20,262.34
  4. Step 4: Simplify right side
    70,193.09x = 2,133,100,417.89
  5. Step 5: Solve for x
    x = 2,133,100,417.89/70,193.09
  6. Step 6: Final answer
    x = 30,389.04

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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.