Home / 150,747.51-225,825.63-87,434.64

Finding the Fourth Proportional to 150,747.51, 225,825.63 and 87,434.64

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Solution

The fourth proportional to 150,747.51, 225,825.63 and 87,434.64 is: 130,980.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,747.51 : 225,825.63 = 87,434.64 : x
  2. Step 2: Convert to fraction form
    150,747.51/225,825.63 = 87,434.64/x
  3. Step 3: Cross multiply
    150,747.51x = 225,825.63 × 87,434.64
  4. Step 4: Simplify right side
    150,747.51x = 19,744,982,661.82
  5. Step 5: Solve for x
    x = 19,744,982,661.82/150,747.51
  6. Step 6: Final answer
    x = 130,980.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.