Home / 209,091.93-288,561.14-118,448.64

Finding the Fourth Proportional to 209,091.93, 288,561.14 and 118,448.64

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Solution

The fourth proportional to 209,091.93, 288,561.14 and 118,448.64 is: 163,467.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,091.93 : 288,561.14 = 118,448.64 : x
  2. Step 2: Convert to fraction form
    209,091.93/288,561.14 = 118,448.64/x
  3. Step 3: Cross multiply
    209,091.93x = 288,561.14 × 118,448.64
  4. Step 4: Simplify right side
    209,091.93x = 34,179,674,441.79
  5. Step 5: Solve for x
    x = 34,179,674,441.79/209,091.93
  6. Step 6: Final answer
    x = 163,467.21

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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.