Home / 154,130.50-231,195.75-43,322.50

Finding the Fourth Proportional to 154,130.50, 231,195.75 and 43,322.50

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Solution

The fourth proportional to 154,130.50, 231,195.75 and 43,322.50 is: 64,983.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,130.50 : 231,195.75 = 43,322.50 : x
  2. Step 2: Convert to fraction form
    154,130.50/231,195.75 = 43,322.50/x
  3. Step 3: Cross multiply
    154,130.50x = 231,195.75 × 43,322.50
  4. Step 4: Simplify right side
    154,130.50x = 10,015,977,879.38
  5. Step 5: Solve for x
    x = 10,015,977,879.38/154,130.50
  6. Step 6: Final answer
    x = 64,983.75

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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.