Home / 208,953.06-288,352.23-118,306.65

Finding the Fourth Proportional to 208,953.06, 288,352.23 and 118,306.65

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Solution

The fourth proportional to 208,953.06, 288,352.23 and 118,306.65 is: 163,261.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,953.06 : 288,352.23 = 118,306.65 : x
  2. Step 2: Convert to fraction form
    208,953.06/288,352.23 = 118,306.65/x
  3. Step 3: Cross multiply
    208,953.06x = 288,352.23 × 118,306.65
  4. Step 4: Simplify right side
    208,953.06x = 34,113,986,351.33
  5. Step 5: Solve for x
    x = 34,113,986,351.33/208,953.06
  6. Step 6: Final answer
    x = 163,261.48

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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.