Home / 127,361.68-175,751.40-70,771.12

Finding the Fourth Proportional to 127,361.68, 175,751.40 and 70,771.12

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Solution

The fourth proportional to 127,361.68, 175,751.40 and 70,771.12 is: 97,659.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,361.68 : 175,751.40 = 70,771.12 : x
  2. Step 2: Convert to fraction form
    127,361.68/175,751.40 = 70,771.12/x
  3. Step 3: Cross multiply
    127,361.68x = 175,751.40 × 70,771.12
  4. Step 4: Simplify right side
    127,361.68x = 12,438,123,419.57
  5. Step 5: Solve for x
    x = 12,438,123,419.57/127,361.68
  6. Step 6: Final answer
    x = 97,659.86

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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.