Home / 209,104.86-288,555.28-118,458.98

Finding the Fourth Proportional to 209,104.86, 288,555.28 and 118,458.98

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Solution

The fourth proportional to 209,104.86, 288,555.28 and 118,458.98 is: 163,468.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,104.86 : 288,555.28 = 118,458.98 : x
  2. Step 2: Convert to fraction form
    209,104.86/288,555.28 = 118,458.98/x
  3. Step 3: Cross multiply
    209,104.86x = 288,555.28 × 118,458.98
  4. Step 4: Simplify right side
    209,104.86x = 34,181,964,142.41
  5. Step 5: Solve for x
    x = 34,181,964,142.41/209,104.86
  6. Step 6: Final answer
    x = 163,468.05

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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.