Home / 137,891.01-190,124.04-99,589.35

Finding the Fourth Proportional to 137,891.01, 190,124.04 and 99,589.35

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Solution

The fourth proportional to 137,891.01, 190,124.04 and 99,589.35 is: 137,313.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,891.01 : 190,124.04 = 99,589.35 : x
  2. Step 2: Convert to fraction form
    137,891.01/190,124.04 = 99,589.35/x
  3. Step 3: Cross multiply
    137,891.01x = 190,124.04 × 99,589.35
  4. Step 4: Simplify right side
    137,891.01x = 18,934,328,739.67
  5. Step 5: Solve for x
    x = 18,934,328,739.67/137,891.01
  6. Step 6: Final answer
    x = 137,313.73

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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.