Home / 134,869.80-202,361.40-72,467.40

Finding the Fourth Proportional to 134,869.80, 202,361.40 and 72,467.40

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Solution

The fourth proportional to 134,869.80, 202,361.40 and 72,467.40 is: 108,731.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,869.80 : 202,361.40 = 72,467.40 : x
  2. Step 2: Convert to fraction form
    134,869.80/202,361.40 = 72,467.40/x
  3. Step 3: Cross multiply
    134,869.80x = 202,361.40 × 72,467.40
  4. Step 4: Simplify right side
    134,869.80x = 14,664,604,518.36
  5. Step 5: Solve for x
    x = 14,664,604,518.36/134,869.80
  6. Step 6: Final answer
    x = 108,731.57

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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.