Home / 150,934.32-208,290.36-94,378.80

Finding the Fourth Proportional to 150,934.32, 208,290.36 and 94,378.80

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Solution

The fourth proportional to 150,934.32, 208,290.36 and 94,378.80 is: 130,243.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,934.32 : 208,290.36 = 94,378.80 : x
  2. Step 2: Convert to fraction form
    150,934.32/208,290.36 = 94,378.80/x
  3. Step 3: Cross multiply
    150,934.32x = 208,290.36 × 94,378.80
  4. Step 4: Simplify right side
    150,934.32x = 19,658,194,228.37
  5. Step 5: Solve for x
    x = 19,658,194,228.37/150,934.32
  6. Step 6: Final answer
    x = 130,243.37

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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.