Home / 208,539.36-287,632.22-132,070.91

Finding the Fourth Proportional to 208,539.36, 287,632.22 and 132,070.91

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Solution

The fourth proportional to 208,539.36, 287,632.22 and 132,070.91 is: 182,161.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,539.36 : 287,632.22 = 132,070.91 : x
  2. Step 2: Convert to fraction form
    208,539.36/287,632.22 = 132,070.91/x
  3. Step 3: Cross multiply
    208,539.36x = 287,632.22 × 132,070.91
  4. Step 4: Simplify right side
    208,539.36x = 37,987,846,942.20
  5. Step 5: Solve for x
    x = 37,987,846,942.20/208,539.36
  6. Step 6: Final answer
    x = 182,161.52

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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.