Home / 154,851.40-232,277.10-137,938.60

Finding the Fourth Proportional to 154,851.40, 232,277.10 and 137,938.60

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Solution

The fourth proportional to 154,851.40, 232,277.10 and 137,938.60 is: 206,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,851.40 : 232,277.10 = 137,938.60 : x
  2. Step 2: Convert to fraction form
    154,851.40/232,277.10 = 137,938.60/x
  3. Step 3: Cross multiply
    154,851.40x = 232,277.10 × 137,938.60
  4. Step 4: Simplify right side
    154,851.40x = 32,039,977,986.06
  5. Step 5: Solve for x
    x = 32,039,977,986.06/154,851.40
  6. Step 6: Final answer
    x = 206,907.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.