Home / 209,656.94-289,250.61-118,960.38

Finding the Fourth Proportional to 209,656.94, 289,250.61 and 118,960.38

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Solution

The fourth proportional to 209,656.94, 289,250.61 and 118,960.38 is: 164,122.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,656.94 : 289,250.61 = 118,960.38 : x
  2. Step 2: Convert to fraction form
    209,656.94/289,250.61 = 118,960.38/x
  3. Step 3: Cross multiply
    209,656.94x = 289,250.61 × 118,960.38
  4. Step 4: Simplify right side
    209,656.94x = 34,409,363,422.29
  5. Step 5: Solve for x
    x = 34,409,363,422.29/209,656.94
  6. Step 6: Final answer
    x = 164,122.22

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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.