Home / 100,220.55-150,283.90-58,112.63

Finding the Fourth Proportional to 100,220.55, 150,283.90 and 58,112.63

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Solution

The fourth proportional to 100,220.55, 150,283.90 and 58,112.63 is: 87,141.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,220.55 : 150,283.90 = 58,112.63 : x
  2. Step 2: Convert to fraction form
    100,220.55/150,283.90 = 58,112.63/x
  3. Step 3: Cross multiply
    100,220.55x = 150,283.90 × 58,112.63
  4. Step 4: Simplify right side
    100,220.55x = 8,733,392,675.66
  5. Step 5: Solve for x
    x = 8,733,392,675.66/100,220.55
  6. Step 6: Final answer
    x = 87,141.74

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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.