Home / 153,069.04-229,661.82-138,226.60

Finding the Fourth Proportional to 153,069.04, 229,661.82 and 138,226.60

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Solution

The fourth proportional to 153,069.04, 229,661.82 and 138,226.60 is: 207,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,069.04 : 229,661.82 = 138,226.60 : x
  2. Step 2: Convert to fraction form
    153,069.04/229,661.82 = 138,226.60/x
  3. Step 3: Cross multiply
    153,069.04x = 229,661.82 × 138,226.60
  4. Step 4: Simplify right side
    153,069.04x = 31,745,372,528.41
  5. Step 5: Solve for x
    x = 31,745,372,528.41/153,069.04
  6. Step 6: Final answer
    x = 207,392.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.