Home / 127,344.75-175,735.79-70,756.12

Finding the Fourth Proportional to 127,344.75, 175,735.79 and 70,756.12

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Solution

The fourth proportional to 127,344.75, 175,735.79 and 70,756.12 is: 97,643.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,344.75 : 175,735.79 = 70,756.12 : x
  2. Step 2: Convert to fraction form
    127,344.75/175,735.79 = 70,756.12/x
  3. Step 3: Cross multiply
    127,344.75x = 175,735.79 × 70,756.12
  4. Step 4: Simplify right side
    127,344.75x = 12,434,382,645.53
  5. Step 5: Solve for x
    x = 12,434,382,645.53/127,344.75
  6. Step 6: Final answer
    x = 97,643.47

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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.