Home / 208,912.65-288,306.35-118,266.74

Finding the Fourth Proportional to 208,912.65, 288,306.35 and 118,266.74

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Solution

The fourth proportional to 208,912.65, 288,306.35 and 118,266.74 is: 163,212.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,912.65 : 288,306.35 = 118,266.74 : x
  2. Step 2: Convert to fraction form
    208,912.65/288,306.35 = 118,266.74/x
  3. Step 3: Cross multiply
    208,912.65x = 288,306.35 × 118,266.74
  4. Step 4: Simplify right side
    208,912.65x = 34,097,052,135.80
  5. Step 5: Solve for x
    x = 34,097,052,135.80/208,912.65
  6. Step 6: Final answer
    x = 163,212.00

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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.