Home / 208,846.77-288,195.42-118,221.13

Finding the Fourth Proportional to 208,846.77, 288,195.42 and 118,221.13

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Solution

The fourth proportional to 208,846.77, 288,195.42 and 118,221.13 is: 163,137.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,846.77 : 288,195.42 = 118,221.13 : x
  2. Step 2: Convert to fraction form
    208,846.77/288,195.42 = 118,221.13/x
  3. Step 3: Cross multiply
    208,846.77x = 288,195.42 × 118,221.13
  4. Step 4: Simplify right side
    208,846.77x = 34,070,788,213.22
  5. Step 5: Solve for x
    x = 34,070,788,213.22/208,846.77
  6. Step 6: Final answer
    x = 163,137.73

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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.