Home / 151,300.56-208,795.36-90,872.23

Finding the Fourth Proportional to 151,300.56, 208,795.36 and 90,872.23

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Solution

The fourth proportional to 151,300.56, 208,795.36 and 90,872.23 is: 125,404.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,300.56 : 208,795.36 = 90,872.23 : x
  2. Step 2: Convert to fraction form
    151,300.56/208,795.36 = 90,872.23/x
  3. Step 3: Cross multiply
    151,300.56x = 208,795.36 × 90,872.23
  4. Step 4: Simplify right side
    151,300.56x = 18,973,699,682.05
  5. Step 5: Solve for x
    x = 18,973,699,682.05/151,300.56
  6. Step 6: Final answer
    x = 125,404.03

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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.