Home / 208,813.32-288,145.08-118,164.60

Finding the Fourth Proportional to 208,813.32, 288,145.08 and 118,164.60

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Solution

The fourth proportional to 208,813.32, 288,145.08 and 118,164.60 is: 163,057.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,813.32 : 288,145.08 = 118,164.60 : x
  2. Step 2: Convert to fraction form
    208,813.32/288,145.08 = 118,164.60/x
  3. Step 3: Cross multiply
    208,813.32x = 288,145.08 × 118,164.60
  4. Step 4: Simplify right side
    208,813.32x = 34,048,548,120.17
  5. Step 5: Solve for x
    x = 34,048,548,120.17/208,813.32
  6. Step 6: Final answer
    x = 163,057.36

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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.