Home / 208,853.02-288,209.46-113,357.66

Finding the Fourth Proportional to 208,853.02, 288,209.46 and 113,357.66

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Solution

The fourth proportional to 208,853.02, 288,209.46 and 113,357.66 is: 156,429.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,853.02 : 288,209.46 = 113,357.66 : x
  2. Step 2: Convert to fraction form
    208,853.02/288,209.46 = 113,357.66/x
  3. Step 3: Cross multiply
    208,853.02x = 288,209.46 × 113,357.66
  4. Step 4: Simplify right side
    208,853.02x = 32,670,749,975.46
  5. Step 5: Solve for x
    x = 32,670,749,975.46/208,853.02
  6. Step 6: Final answer
    x = 156,429.39

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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.