Home / 105,025.83-157,538.84-45,015.36

Finding the Fourth Proportional to 105,025.83, 157,538.84 and 45,015.36

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Solution

The fourth proportional to 105,025.83, 157,538.84 and 45,015.36 is: 67,523.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,025.83 : 157,538.84 = 45,015.36 : x
  2. Step 2: Convert to fraction form
    105,025.83/157,538.84 = 45,015.36/x
  3. Step 3: Cross multiply
    105,025.83x = 157,538.84 × 45,015.36
  4. Step 4: Simplify right side
    105,025.83x = 7,091,667,360.96
  5. Step 5: Solve for x
    x = 7,091,667,360.96/105,025.83
  6. Step 6: Final answer
    x = 67,523.08

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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.