Home / 105,507.36-158,293.44-35,380.80

Finding the Fourth Proportional to 105,507.36, 158,293.44 and 35,380.80

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Solution

The fourth proportional to 105,507.36, 158,293.44 and 35,380.80 is: 53,082.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,507.36 : 158,293.44 = 35,380.80 : x
  2. Step 2: Convert to fraction form
    105,507.36/158,293.44 = 35,380.80/x
  3. Step 3: Cross multiply
    105,507.36x = 158,293.44 × 35,380.80
  4. Step 4: Simplify right side
    105,507.36x = 5,600,548,541.95
  5. Step 5: Solve for x
    x = 5,600,548,541.95/105,507.36
  6. Step 6: Final answer
    x = 53,082.07

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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.