Home / 189,851.04-261,988.02-109,267.38

Finding the Fourth Proportional to 189,851.04, 261,988.02 and 109,267.38

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Solution

The fourth proportional to 189,851.04, 261,988.02 and 109,267.38 is: 150,785.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,851.04 : 261,988.02 = 109,267.38 : x
  2. Step 2: Convert to fraction form
    189,851.04/261,988.02 = 109,267.38/x
  3. Step 3: Cross multiply
    189,851.04x = 261,988.02 × 109,267.38
  4. Step 4: Simplify right side
    189,851.04x = 28,626,744,536.79
  5. Step 5: Solve for x
    x = 28,626,744,536.79/189,851.04
  6. Step 6: Final answer
    x = 150,785.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.