Home / 154,784.60-231,788.10-101,907.80

Finding the Fourth Proportional to 154,784.60, 231,788.10 and 101,907.80

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Solution

The fourth proportional to 154,784.60, 231,788.10 and 101,907.80 is: 152,605.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,784.60 : 231,788.10 = 101,907.80 : x
  2. Step 2: Convert to fraction form
    154,784.60/231,788.10 = 101,907.80/x
  3. Step 3: Cross multiply
    154,784.60x = 231,788.10 × 101,907.80
  4. Step 4: Simplify right side
    154,784.60x = 23,621,015,337.18
  5. Step 5: Solve for x
    x = 23,621,015,337.18/154,784.60
  6. Step 6: Final answer
    x = 152,605.72

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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.