Home / 150,275.07-225,054.81-86,961.72

Finding the Fourth Proportional to 150,275.07, 225,054.81 and 86,961.72

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Solution

The fourth proportional to 150,275.07, 225,054.81 and 86,961.72 is: 130,235.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,275.07 : 225,054.81 = 86,961.72 : x
  2. Step 2: Convert to fraction form
    150,275.07/225,054.81 = 86,961.72/x
  3. Step 3: Cross multiply
    150,275.07x = 225,054.81 × 86,961.72
  4. Step 4: Simplify right side
    150,275.07x = 19,571,153,371.87
  5. Step 5: Solve for x
    x = 19,571,153,371.87/150,275.07
  6. Step 6: Final answer
    x = 130,235.53

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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.