Home / 154,648.60-213,517.88-118,774.52

Finding the Fourth Proportional to 154,648.60, 213,517.88 and 118,774.52

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Solution

The fourth proportional to 154,648.60, 213,517.88 and 118,774.52 is: 163,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,648.60 : 213,517.88 = 118,774.52 : x
  2. Step 2: Convert to fraction form
    154,648.60/213,517.88 = 118,774.52/x
  3. Step 3: Cross multiply
    154,648.60x = 213,517.88 × 118,774.52
  4. Step 4: Simplify right side
    154,648.60x = 25,360,483,708.42
  5. Step 5: Solve for x
    x = 25,360,483,708.42/154,648.60
  6. Step 6: Final answer
    x = 163,987.80

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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.