Home / 209,512.08-289,464.93-146,132.82

Finding the Fourth Proportional to 209,512.08, 289,464.93 and 146,132.82

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Solution

The fourth proportional to 209,512.08, 289,464.93 and 146,132.82 is: 201,899.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,512.08 : 289,464.93 = 146,132.82 : x
  2. Step 2: Convert to fraction form
    209,512.08/289,464.93 = 146,132.82/x
  3. Step 3: Cross multiply
    209,512.08x = 289,464.93 × 146,132.82
  4. Step 4: Simplify right side
    209,512.08x = 42,300,326,512.00
  5. Step 5: Solve for x
    x = 42,300,326,512.00/209,512.08
  6. Step 6: Final answer
    x = 201,899.22

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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.