Home / 209,091.81-288,560.97-118,448.52

Finding the Fourth Proportional to 209,091.81, 288,560.97 and 118,448.52

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Solution

The fourth proportional to 209,091.81, 288,560.97 and 118,448.52 is: 163,467.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,091.81 : 288,560.97 = 118,448.52 : x
  2. Step 2: Convert to fraction form
    209,091.81/288,560.97 = 118,448.52/x
  3. Step 3: Cross multiply
    209,091.81x = 288,560.97 × 118,448.52
  4. Step 4: Simplify right side
    209,091.81x = 34,179,619,826.26
  5. Step 5: Solve for x
    x = 34,179,619,826.26/209,091.81
  6. Step 6: Final answer
    x = 163,467.04

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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.