Home / 208,739.22-288,074.39-118,095.16

Finding the Fourth Proportional to 208,739.22, 288,074.39 and 118,095.16

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Solution

The fourth proportional to 208,739.22, 288,074.39 and 118,095.16 is: 162,979.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,739.22 : 288,074.39 = 118,095.16 : x
  2. Step 2: Convert to fraction form
    208,739.22/288,074.39 = 118,095.16/x
  3. Step 3: Cross multiply
    208,739.22x = 288,074.39 × 118,095.16
  4. Step 4: Simplify right side
    208,739.22x = 34,020,191,178.95
  5. Step 5: Solve for x
    x = 34,020,191,178.95/208,739.22
  6. Step 6: Final answer
    x = 162,979.39

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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.