Home / 101,152.56-151,731.64-26,271.04

Finding the Fourth Proportional to 101,152.56, 151,731.64 and 26,271.04

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Solution

The fourth proportional to 101,152.56, 151,731.64 and 26,271.04 is: 39,407.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,152.56 : 151,731.64 = 26,271.04 : x
  2. Step 2: Convert to fraction form
    101,152.56/151,731.64 = 26,271.04/x
  3. Step 3: Cross multiply
    101,152.56x = 151,731.64 × 26,271.04
  4. Step 4: Simplify right side
    101,152.56x = 3,986,147,983.71
  5. Step 5: Solve for x
    x = 3,986,147,983.71/101,152.56
  6. Step 6: Final answer
    x = 39,407.29

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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.