Home / 209,547.87-289,200.68-117,682.25

Finding the Fourth Proportional to 209,547.87, 289,200.68 and 117,682.25

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Solution

The fourth proportional to 209,547.87, 289,200.68 and 117,682.25 is: 162,415.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,547.87 : 289,200.68 = 117,682.25 : x
  2. Step 2: Convert to fraction form
    209,547.87/289,200.68 = 117,682.25/x
  3. Step 3: Cross multiply
    209,547.87x = 289,200.68 × 117,682.25
  4. Step 4: Simplify right side
    209,547.87x = 34,033,784,689.52
  5. Step 5: Solve for x
    x = 34,033,784,689.52/209,547.87
  6. Step 6: Final answer
    x = 162,415.33

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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.