Home / 209,229.40-288,741.54-118,594.60

Finding the Fourth Proportional to 209,229.40, 288,741.54 and 118,594.60

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Solution

The fourth proportional to 209,229.40, 288,741.54 and 118,594.60 is: 163,663.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,229.40 : 288,741.54 = 118,594.60 : x
  2. Step 2: Convert to fraction form
    209,229.40/288,741.54 = 118,594.60/x
  3. Step 3: Cross multiply
    209,229.40x = 288,741.54 × 118,594.60
  4. Step 4: Simplify right side
    209,229.40x = 34,243,187,439.68
  5. Step 5: Solve for x
    x = 34,243,187,439.68/209,229.40
  6. Step 6: Final answer
    x = 163,663.36

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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.