Home / 99,302.70-137,040.39-53,983.72

Finding the Fourth Proportional to 99,302.70, 137,040.39 and 53,983.72

Calculator

Solution

The fourth proportional to 99,302.70, 137,040.39 and 53,983.72 is: 74,498.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,302.70 : 137,040.39 = 53,983.72 : x
  2. Step 2: Convert to fraction form
    99,302.70/137,040.39 = 53,983.72/x
  3. Step 3: Cross multiply
    99,302.70x = 137,040.39 × 53,983.72
  4. Step 4: Simplify right side
    99,302.70x = 7,397,950,042.45
  5. Step 5: Solve for x
    x = 7,397,950,042.45/99,302.70
  6. Step 6: Final answer
    x = 74,498.98

Related Problems

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.