Home / 208,852.20-288,216.58-113,358.89

Finding the Fourth Proportional to 208,852.20, 288,216.58 and 113,358.89

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Solution

The fourth proportional to 208,852.20, 288,216.58 and 113,358.89 is: 156,435.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,852.20 : 288,216.58 = 113,358.89 : x
  2. Step 2: Convert to fraction form
    208,852.20/288,216.58 = 113,358.89/x
  3. Step 3: Cross multiply
    208,852.20x = 288,216.58 × 113,358.89
  4. Step 4: Simplify right side
    208,852.20x = 32,671,911,588.40
  5. Step 5: Solve for x
    x = 32,671,911,588.40/208,852.20
  6. Step 6: Final answer
    x = 156,435.56

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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.