Home / 142,406.24-213,422.50-104,790.18

Finding the Fourth Proportional to 142,406.24, 213,422.50 and 104,790.18

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Solution

The fourth proportional to 142,406.24, 213,422.50 and 104,790.18 is: 157,047.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,406.24 : 213,422.50 = 104,790.18 : x
  2. Step 2: Convert to fraction form
    142,406.24/213,422.50 = 104,790.18/x
  3. Step 3: Cross multiply
    142,406.24x = 213,422.50 × 104,790.18
  4. Step 4: Simplify right side
    142,406.24x = 22,364,582,191.05
  5. Step 5: Solve for x
    x = 22,364,582,191.05/142,406.24
  6. Step 6: Final answer
    x = 157,047.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.