Home / 209,092.26-288,483.75-118,433.82

Finding the Fourth Proportional to 209,092.26, 288,483.75 and 118,433.82

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Solution

The fourth proportional to 209,092.26, 288,483.75 and 118,433.82 is: 163,402.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,092.26 : 288,483.75 = 118,433.82 : x
  2. Step 2: Convert to fraction form
    209,092.26/288,483.75 = 118,433.82/x
  3. Step 3: Cross multiply
    209,092.26x = 288,483.75 × 118,433.82
  4. Step 4: Simplify right side
    209,092.26x = 34,166,232,520.43
  5. Step 5: Solve for x
    x = 34,166,232,520.43/209,092.26
  6. Step 6: Final answer
    x = 163,402.67

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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.