Home / 112,735.12-155,395.56-88,825.36

Finding the Fourth Proportional to 112,735.12, 155,395.56 and 88,825.36

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Solution

The fourth proportional to 112,735.12, 155,395.56 and 88,825.36 is: 122,438.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,735.12 : 155,395.56 = 88,825.36 : x
  2. Step 2: Convert to fraction form
    112,735.12/155,395.56 = 88,825.36/x
  3. Step 3: Cross multiply
    112,735.12x = 155,395.56 × 88,825.36
  4. Step 4: Simplify right side
    112,735.12x = 13,803,066,559.40
  5. Step 5: Solve for x
    x = 13,803,066,559.40/112,735.12
  6. Step 6: Final answer
    x = 122,438.03

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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.