Home / 126,376.53-174,396.26-69,017.40

Finding the Fourth Proportional to 126,376.53, 174,396.26 and 69,017.40

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Solution

The fourth proportional to 126,376.53, 174,396.26 and 69,017.40 is: 95,242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,376.53 : 174,396.26 = 69,017.40 : x
  2. Step 2: Convert to fraction form
    126,376.53/174,396.26 = 69,017.40/x
  3. Step 3: Cross multiply
    126,376.53x = 174,396.26 × 69,017.40
  4. Step 4: Simplify right side
    126,376.53x = 12,036,376,089.84
  5. Step 5: Solve for x
    x = 12,036,376,089.84/126,376.53
  6. Step 6: Final answer
    x = 95,242.18

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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.