Home / 208,275.03-287,419.73-117,650.34

Finding the Fourth Proportional to 208,275.03, 287,419.73 and 117,650.34

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Solution

The fourth proportional to 208,275.03, 287,419.73 and 117,650.34 is: 162,357.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,275.03 : 287,419.73 = 117,650.34 : x
  2. Step 2: Convert to fraction form
    208,275.03/287,419.73 = 117,650.34/x
  3. Step 3: Cross multiply
    208,275.03x = 287,419.73 × 117,650.34
  4. Step 4: Simplify right side
    208,275.03x = 33,815,028,368.96
  5. Step 5: Solve for x
    x = 33,815,028,368.96/208,275.03
  6. Step 6: Final answer
    x = 162,357.57

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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.