Home / 154,853.94-213,727.62-101,045.55

Finding the Fourth Proportional to 154,853.94, 213,727.62 and 101,045.55

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Solution

The fourth proportional to 154,853.94, 213,727.62 and 101,045.55 is: 139,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,853.94 : 213,727.62 = 101,045.55 : x
  2. Step 2: Convert to fraction form
    154,853.94/213,727.62 = 101,045.55/x
  3. Step 3: Cross multiply
    154,853.94x = 213,727.62 × 101,045.55
  4. Step 4: Simplify right side
    154,853.94x = 21,596,224,913.09
  5. Step 5: Solve for x
    x = 21,596,224,913.09/154,853.94
  6. Step 6: Final answer
    x = 139,461.90

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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.