Home / 107,541.70-161,278.01-35,478.41

Finding the Fourth Proportional to 107,541.70, 161,278.01 and 35,478.41

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Solution

The fourth proportional to 107,541.70, 161,278.01 and 35,478.41 is: 53,206.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,541.70 : 161,278.01 = 35,478.41 : x
  2. Step 2: Convert to fraction form
    107,541.70/161,278.01 = 35,478.41/x
  3. Step 3: Cross multiply
    107,541.70x = 161,278.01 × 35,478.41
  4. Step 4: Simplify right side
    107,541.70x = 5,721,886,611.81
  5. Step 5: Solve for x
    x = 5,721,886,611.81/107,541.70
  6. Step 6: Final answer
    x = 53,206.21

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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.