Home / 150,743.76-208,063.08-90,350.16

Finding the Fourth Proportional to 150,743.76, 208,063.08 and 90,350.16

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Solution

The fourth proportional to 150,743.76, 208,063.08 and 90,350.16 is: 124,705.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,743.76 : 208,063.08 = 90,350.16 : x
  2. Step 2: Convert to fraction form
    150,743.76/208,063.08 = 90,350.16/x
  3. Step 3: Cross multiply
    150,743.76x = 208,063.08 × 90,350.16
  4. Step 4: Simplify right side
    150,743.76x = 18,798,532,568.09
  5. Step 5: Solve for x
    x = 18,798,532,568.09/150,743.76
  6. Step 6: Final answer
    x = 124,705.21

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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.