Home / 209,006.37-288,429.30-113,511.03

Finding the Fourth Proportional to 209,006.37, 288,429.30 and 113,511.03

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Solution

The fourth proportional to 209,006.37, 288,429.30 and 113,511.03 is: 156,645.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,006.37 : 288,429.30 = 113,511.03 : x
  2. Step 2: Convert to fraction form
    209,006.37/288,429.30 = 113,511.03/x
  3. Step 3: Cross multiply
    209,006.37x = 288,429.30 × 113,511.03
  4. Step 4: Simplify right side
    209,006.37x = 32,739,906,925.18
  5. Step 5: Solve for x
    x = 32,739,906,925.18/209,006.37
  6. Step 6: Final answer
    x = 156,645.50

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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.