Home / 208,984.52-288,382.64-122,946.92

Finding the Fourth Proportional to 208,984.52, 288,382.64 and 122,946.92

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Solution

The fourth proportional to 208,984.52, 288,382.64 and 122,946.92 is: 169,657.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,984.52 : 288,382.64 = 122,946.92 : x
  2. Step 2: Convert to fraction form
    208,984.52/288,382.64 = 122,946.92/x
  3. Step 3: Cross multiply
    208,984.52x = 288,382.64 × 122,946.92
  4. Step 4: Simplify right side
    208,984.52x = 35,455,757,369.47
  5. Step 5: Solve for x
    x = 35,455,757,369.47/208,984.52
  6. Step 6: Final answer
    x = 169,657.34

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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.