Home / 150,756.09-225,838.58-87,443.21

Finding the Fourth Proportional to 150,756.09, 225,838.58 and 87,443.21

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Solution

The fourth proportional to 150,756.09, 225,838.58 and 87,443.21 is: 130,993.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,756.09 : 225,838.58 = 87,443.21 : x
  2. Step 2: Convert to fraction form
    150,756.09/225,838.58 = 87,443.21/x
  3. Step 3: Cross multiply
    150,756.09x = 225,838.58 × 87,443.21
  4. Step 4: Simplify right side
    150,756.09x = 19,748,048,810.63
  5. Step 5: Solve for x
    x = 19,748,048,810.63/150,756.09
  6. Step 6: Final answer
    x = 130,993.37

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1.5x scale

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.