Home / 154,740.62-213,580.04-94,344.57

Finding the Fourth Proportional to 154,740.62, 213,580.04 and 94,344.57

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Solution

The fourth proportional to 154,740.62, 213,580.04 and 94,344.57 is: 130,218.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,740.62 : 213,580.04 = 94,344.57 : x
  2. Step 2: Convert to fraction form
    154,740.62/213,580.04 = 94,344.57/x
  3. Step 3: Cross multiply
    154,740.62x = 213,580.04 × 94,344.57
  4. Step 4: Simplify right side
    154,740.62x = 20,150,117,270.24
  5. Step 5: Solve for x
    x = 20,150,117,270.24/154,740.62
  6. Step 6: Final answer
    x = 130,218.66

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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.