Home / 209,513.06-289,134.54-118,872.84

Finding the Fourth Proportional to 209,513.06, 289,134.54 and 118,872.84

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Solution

The fourth proportional to 209,513.06, 289,134.54 and 118,872.84 is: 164,048.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,513.06 : 289,134.54 = 118,872.84 : x
  2. Step 2: Convert to fraction form
    209,513.06/289,134.54 = 118,872.84/x
  3. Step 3: Cross multiply
    209,513.06x = 289,134.54 × 118,872.84
  4. Step 4: Simplify right side
    209,513.06x = 34,370,243,317.53
  5. Step 5: Solve for x
    x = 34,370,243,317.53/209,513.06
  6. Step 6: Final answer
    x = 164,048.22

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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.