Home / 154,646.90-213,515.08-118,772.54

Finding the Fourth Proportional to 154,646.90, 213,515.08 and 118,772.54

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Solution

The fourth proportional to 154,646.90, 213,515.08 and 118,772.54 is: 163,984.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,646.90 : 213,515.08 = 118,772.54 : x
  2. Step 2: Convert to fraction form
    154,646.90/213,515.08 = 118,772.54/x
  3. Step 3: Cross multiply
    154,646.90x = 213,515.08 × 118,772.54
  4. Step 4: Simplify right side
    154,646.90x = 25,359,728,379.90
  5. Step 5: Solve for x
    x = 25,359,728,379.90/154,646.90
  6. Step 6: Final answer
    x = 163,984.72

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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.