Home / 209,110.88-288,563.52-118,464.80

Finding the Fourth Proportional to 209,110.88, 288,563.52 and 118,464.80

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Solution

The fourth proportional to 209,110.88, 288,563.52 and 118,464.80 is: 163,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,110.88 : 288,563.52 = 118,464.80 : x
  2. Step 2: Convert to fraction form
    209,110.88/288,563.52 = 118,464.80/x
  3. Step 3: Cross multiply
    209,110.88x = 288,563.52 × 118,464.80
  4. Step 4: Simplify right side
    209,110.88x = 34,184,619,684.10
  5. Step 5: Solve for x
    x = 34,184,619,684.10/209,110.88
  6. Step 6: Final answer
    x = 163,476.05

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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.