Home / 210,161.37-315,334.47-110,298.15

Finding the Fourth Proportional to 210,161.37, 315,334.47 and 110,298.15

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Solution

The fourth proportional to 210,161.37, 315,334.47 and 110,298.15 is: 165,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,161.37 : 315,334.47 = 110,298.15 : x
  2. Step 2: Convert to fraction form
    210,161.37/315,334.47 = 110,298.15/x
  3. Step 3: Cross multiply
    210,161.37x = 315,334.47 × 110,298.15
  4. Step 4: Simplify right side
    210,161.37x = 34,780,808,672.23
  5. Step 5: Solve for x
    x = 34,780,808,672.23/210,161.37
  6. Step 6: Final answer
    x = 165,495.73

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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.