Home / 138,757.24-191,485.60-75,095.06

Finding the Fourth Proportional to 138,757.24, 191,485.60 and 75,095.06

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Solution

The fourth proportional to 138,757.24, 191,485.60 and 75,095.06 is: 103,631.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,757.24 : 191,485.60 = 75,095.06 : x
  2. Step 2: Convert to fraction form
    138,757.24/191,485.60 = 75,095.06/x
  3. Step 3: Cross multiply
    138,757.24x = 191,485.60 × 75,095.06
  4. Step 4: Simplify right side
    138,757.24x = 14,379,622,621.14
  5. Step 5: Solve for x
    x = 14,379,622,621.14/138,757.24
  6. Step 6: Final answer
    x = 103,631.51

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1.5x scale

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.