Home / 209,132.21-288,606.04-118,485.92

Finding the Fourth Proportional to 209,132.21, 288,606.04 and 118,485.92

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Solution

The fourth proportional to 209,132.21, 288,606.04 and 118,485.92 is: 163,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,132.21 : 288,606.04 = 118,485.92 : x
  2. Step 2: Convert to fraction form
    209,132.21/288,606.04 = 118,485.92/x
  3. Step 3: Cross multiply
    209,132.21x = 288,606.04 × 118,485.92
  4. Step 4: Simplify right side
    209,132.21x = 34,195,752,592.26
  5. Step 5: Solve for x
    x = 34,195,752,592.26/209,132.21
  6. Step 6: Final answer
    x = 163,512.60

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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.