Home / 208,923.64-288,321.51-118,277.75

Finding the Fourth Proportional to 208,923.64, 288,321.51 and 118,277.75

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Solution

The fourth proportional to 208,923.64, 288,321.51 and 118,277.75 is: 163,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,923.64 : 288,321.51 = 118,277.75 : x
  2. Step 2: Convert to fraction form
    208,923.64/288,321.51 = 118,277.75/x
  3. Step 3: Cross multiply
    208,923.64x = 288,321.51 × 118,277.75
  4. Step 4: Simplify right side
    208,923.64x = 34,102,019,479.40
  5. Step 5: Solve for x
    x = 34,102,019,479.40/208,923.64
  6. Step 6: Final answer
    x = 163,227.20

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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.