Home / 154,822.02-213,662.84-86,860.52

Finding the Fourth Proportional to 154,822.02, 213,662.84 and 86,860.52

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Solution

The fourth proportional to 154,822.02, 213,662.84 and 86,860.52 is: 119,872.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,822.02 : 213,662.84 = 86,860.52 : x
  2. Step 2: Convert to fraction form
    154,822.02/213,662.84 = 86,860.52/x
  3. Step 3: Cross multiply
    154,822.02x = 213,662.84 × 86,860.52
  4. Step 4: Simplify right side
    154,822.02x = 18,558,865,387.08
  5. Step 5: Solve for x
    x = 18,558,865,387.08/154,822.02
  6. Step 6: Final answer
    x = 119,872.26

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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.