Home / 150,840.06-208,112.46-87,154.62

Finding the Fourth Proportional to 150,840.06, 208,112.46 and 87,154.62

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Solution

The fourth proportional to 150,840.06, 208,112.46 and 87,154.62 is: 120,246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,840.06 : 208,112.46 = 87,154.62 : x
  2. Step 2: Convert to fraction form
    150,840.06/208,112.46 = 87,154.62/x
  3. Step 3: Cross multiply
    150,840.06x = 208,112.46 × 87,154.62
  4. Step 4: Simplify right side
    150,840.06x = 18,137,962,368.57
  5. Step 5: Solve for x
    x = 18,137,962,368.57/150,840.06
  6. Step 6: Final answer
    x = 120,246.32

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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.