Home / 154,619.89-211,776.67-145,541.41

Finding the Fourth Proportional to 154,619.89, 211,776.67 and 145,541.41

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Solution

The fourth proportional to 154,619.89, 211,776.67 and 145,541.41 is: 199,342.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,619.89 : 211,776.67 = 145,541.41 : x
  2. Step 2: Convert to fraction form
    154,619.89/211,776.67 = 145,541.41/x
  3. Step 3: Cross multiply
    154,619.89x = 211,776.67 × 145,541.41
  4. Step 4: Simplify right side
    154,619.89x = 30,822,275,156.90
  5. Step 5: Solve for x
    x = 30,822,275,156.90/154,619.89
  6. Step 6: Final answer
    x = 199,342.24

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.