Home / 150,928.14-208,235.36-90,476.72

Finding the Fourth Proportional to 150,928.14, 208,235.36 and 90,476.72

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Solution

The fourth proportional to 150,928.14, 208,235.36 and 90,476.72 is: 124,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,928.14 : 208,235.36 = 90,476.72 : x
  2. Step 2: Convert to fraction form
    150,928.14/208,235.36 = 90,476.72/x
  3. Step 3: Cross multiply
    150,928.14x = 208,235.36 × 90,476.72
  4. Step 4: Simplify right side
    150,928.14x = 18,840,450,867.26
  5. Step 5: Solve for x
    x = 18,840,450,867.26/150,928.14
  6. Step 6: Final answer
    x = 124,830.60

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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.