Home / 208,845.45-288,206.99-113,352.15

Finding the Fourth Proportional to 208,845.45, 288,206.99 and 113,352.15

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Solution

The fourth proportional to 208,845.45, 288,206.99 and 113,352.15 is: 156,426.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,845.45 : 288,206.99 = 113,352.15 : x
  2. Step 2: Convert to fraction form
    208,845.45/288,206.99 = 113,352.15/x
  3. Step 3: Cross multiply
    208,845.45x = 288,206.99 × 113,352.15
  4. Step 4: Simplify right side
    208,845.45x = 32,668,881,394.77
  5. Step 5: Solve for x
    x = 32,668,881,394.77/208,845.45
  6. Step 6: Final answer
    x = 156,426.11

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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.