Home / 209,509.07-314,325.57-120,826.22

Finding the Fourth Proportional to 209,509.07, 314,325.57 and 120,826.22

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Solution

The fourth proportional to 209,509.07, 314,325.57 and 120,826.22 is: 181,275.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,509.07 : 314,325.57 = 120,826.22 : x
  2. Step 2: Convert to fraction form
    209,509.07/314,325.57 = 120,826.22/x
  3. Step 3: Cross multiply
    209,509.07x = 314,325.57 × 120,826.22
  4. Step 4: Simplify right side
    209,509.07x = 37,978,770,472.45
  5. Step 5: Solve for x
    x = 37,978,770,472.45/209,509.07
  6. Step 6: Final answer
    x = 181,275.07

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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.