Home / 100,706.24-151,077.72-41,509.04

Finding the Fourth Proportional to 100,706.24, 151,077.72 and 41,509.04

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Solution

The fourth proportional to 100,706.24, 151,077.72 and 41,509.04 is: 62,271.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,706.24 : 151,077.72 = 41,509.04 : x
  2. Step 2: Convert to fraction form
    100,706.24/151,077.72 = 41,509.04/x
  3. Step 3: Cross multiply
    100,706.24x = 151,077.72 × 41,509.04
  4. Step 4: Simplify right side
    100,706.24x = 6,271,091,122.59
  5. Step 5: Solve for x
    x = 6,271,091,122.59/100,706.24
  6. Step 6: Final answer
    x = 62,271.13

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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.