Home / 143,760.24-215,682.48-73,688.40

Finding the Fourth Proportional to 143,760.24, 215,682.48 and 73,688.40

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Solution

The fourth proportional to 143,760.24, 215,682.48 and 73,688.40 is: 110,554.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,760.24 : 215,682.48 = 73,688.40 : x
  2. Step 2: Convert to fraction form
    143,760.24/215,682.48 = 73,688.40/x
  3. Step 3: Cross multiply
    143,760.24x = 215,682.48 × 73,688.40
  4. Step 4: Simplify right side
    143,760.24x = 15,893,296,859.23
  5. Step 5: Solve for x
    x = 15,893,296,859.23/143,760.24
  6. Step 6: Final answer
    x = 110,554.19

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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.