Home / 127,340.21-175,734.23-76,361.24

Finding the Fourth Proportional to 127,340.21, 175,734.23 and 76,361.24

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Solution

The fourth proportional to 127,340.21, 175,734.23 and 76,361.24 is: 105,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,340.21 : 175,734.23 = 76,361.24 : x
  2. Step 2: Convert to fraction form
    127,340.21/175,734.23 = 76,361.24/x
  3. Step 3: Cross multiply
    127,340.21x = 175,734.23 × 76,361.24
  4. Step 4: Simplify right side
    127,340.21x = 13,419,282,452.77
  5. Step 5: Solve for x
    x = 13,419,282,452.77/127,340.21
  6. Step 6: Final answer
    x = 105,381.35

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1.5x scale

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.