Home / 209,104.02-288,554.14-118,458.14

Finding the Fourth Proportional to 209,104.02, 288,554.14 and 118,458.14

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Solution

The fourth proportional to 209,104.02, 288,554.14 and 118,458.14 is: 163,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,104.02 : 288,554.14 = 118,458.14 : x
  2. Step 2: Convert to fraction form
    209,104.02/288,554.14 = 118,458.14/x
  3. Step 3: Cross multiply
    209,104.02x = 288,554.14 × 118,458.14
  4. Step 4: Simplify right side
    209,104.02x = 34,181,584,974.78
  5. Step 5: Solve for x
    x = 34,181,584,974.78/209,104.02
  6. Step 6: Final answer
    x = 163,466.90

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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.