Home / 99,703-137,585.28-59,415.84

Finding the Fourth Proportional to 99,703, 137,585.28 and 59,415.84

Calculator

Solution

The fourth proportional to 99,703, 137,585.28 and 59,415.84 is: 81,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,703 : 137,585.28 = 59,415.84 : x
  2. Step 2: Convert to fraction form
    99,703/137,585.28 = 59,415.84/x
  3. Step 3: Cross multiply
    99,703x = 137,585.28 × 59,415.84
  4. Step 4: Simplify right side
    99,703x = 8,174,744,982.84
  5. Step 5: Solve for x
    x = 8,174,744,982.84/99,703
  6. Step 6: Final answer
    x = 81,990.96

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.