Home / 208,810.25-288,158.32-113,316.94

Finding the Fourth Proportional to 208,810.25, 288,158.32 and 113,316.94

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Solution

The fourth proportional to 208,810.25, 288,158.32 and 113,316.94 is: 156,377.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,810.25 : 288,158.32 = 113,316.94 : x
  2. Step 2: Convert to fraction form
    208,810.25/288,158.32 = 113,316.94/x
  3. Step 3: Cross multiply
    208,810.25x = 288,158.32 × 113,316.94
  4. Step 4: Simplify right side
    208,810.25x = 32,653,219,559.78
  5. Step 5: Solve for x
    x = 32,653,219,559.78/208,810.25
  6. Step 6: Final answer
    x = 156,377.48

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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.