Home / 155,055.72-213,996.74-94,613.57

Finding the Fourth Proportional to 155,055.72, 213,996.74 and 94,613.57

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Solution

The fourth proportional to 155,055.72, 213,996.74 and 94,613.57 is: 130,578.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,055.72 : 213,996.74 = 94,613.57 : x
  2. Step 2: Convert to fraction form
    155,055.72/213,996.74 = 94,613.57/x
  3. Step 3: Cross multiply
    155,055.72x = 213,996.74 × 94,613.57
  4. Step 4: Simplify right side
    155,055.72x = 20,246,994,799.20
  5. Step 5: Solve for x
    x = 20,246,994,799.20/155,055.72
  6. Step 6: Final answer
    x = 130,578.83

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1.5x scale

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.