Home / 208,852.53-288,208.77-113,357.19

Finding the Fourth Proportional to 208,852.53, 288,208.77 and 113,357.19

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Solution

The fourth proportional to 208,852.53, 288,208.77 and 113,357.19 is: 156,428.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,852.53 : 288,208.77 = 113,357.19 : x
  2. Step 2: Convert to fraction form
    208,852.53/288,208.77 = 113,357.19/x
  3. Step 3: Cross multiply
    208,852.53x = 288,208.77 × 113,357.19
  4. Step 4: Simplify right side
    208,852.53x = 32,670,536,300.56
  5. Step 5: Solve for x
    x = 32,670,536,300.56/208,852.53
  6. Step 6: Final answer
    x = 156,428.73

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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.