Home / 209,080.26-288,509.94-118,418.13

Finding the Fourth Proportional to 209,080.26, 288,509.94 and 118,418.13

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Solution

The fourth proportional to 209,080.26, 288,509.94 and 118,418.13 is: 163,405.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,080.26 : 288,509.94 = 118,418.13 : x
  2. Step 2: Convert to fraction form
    209,080.26/288,509.94 = 118,418.13/x
  3. Step 3: Cross multiply
    209,080.26x = 288,509.94 × 118,418.13
  4. Step 4: Simplify right side
    209,080.26x = 34,164,807,581.21
  5. Step 5: Solve for x
    x = 34,164,807,581.21/209,080.26
  6. Step 6: Final answer
    x = 163,405.23

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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.