Home / 209,024.64-288,456.12-113,533.20

Finding the Fourth Proportional to 209,024.64, 288,456.12 and 113,533.20

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Solution

The fourth proportional to 209,024.64, 288,456.12 and 113,533.20 is: 156,676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,024.64 : 288,456.12 = 113,533.20 : x
  2. Step 2: Convert to fraction form
    209,024.64/288,456.12 = 113,533.20/x
  3. Step 3: Cross multiply
    209,024.64x = 288,456.12 × 113,533.20
  4. Step 4: Simplify right side
    209,024.64x = 32,749,346,363.18
  5. Step 5: Solve for x
    x = 32,749,346,363.18/209,024.64
  6. Step 6: Final answer
    x = 156,676.97

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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.