Home / 154,068.48-231,143.04-65,325.60

Finding the Fourth Proportional to 154,068.48, 231,143.04 and 65,325.60

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Solution

The fourth proportional to 154,068.48, 231,143.04 and 65,325.60 is: 98,005.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,068.48 : 231,143.04 = 65,325.60 : x
  2. Step 2: Convert to fraction form
    154,068.48/231,143.04 = 65,325.60/x
  3. Step 3: Cross multiply
    154,068.48x = 231,143.04 × 65,325.60
  4. Step 4: Simplify right side
    154,068.48x = 15,099,557,773.82
  5. Step 5: Solve for x
    x = 15,099,557,773.82/154,068.48
  6. Step 6: Final answer
    x = 98,005.50

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1.5x scale

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.