Home / 150,138.32-207,184.70-89,742.26

Finding the Fourth Proportional to 150,138.32, 207,184.70 and 89,742.26

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Solution

The fourth proportional to 150,138.32, 207,184.70 and 89,742.26 is: 123,840.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,138.32 : 207,184.70 = 89,742.26 : x
  2. Step 2: Convert to fraction form
    150,138.32/207,184.70 = 89,742.26/x
  3. Step 3: Cross multiply
    150,138.32x = 207,184.70 × 89,742.26
  4. Step 4: Simplify right side
    150,138.32x = 18,593,223,957.74
  5. Step 5: Solve for x
    x = 18,593,223,957.74/150,138.32
  6. Step 6: Final answer
    x = 123,840.63

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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.