Home / 112,851.25-155,703.22-88,903.60

Finding the Fourth Proportional to 112,851.25, 155,703.22 and 88,903.60

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Solution

The fourth proportional to 112,851.25, 155,703.22 and 88,903.60 is: 122,662.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,851.25 : 155,703.22 = 88,903.60 : x
  2. Step 2: Convert to fraction form
    112,851.25/155,703.22 = 88,903.60/x
  3. Step 3: Cross multiply
    112,851.25x = 155,703.22 × 88,903.60
  4. Step 4: Simplify right side
    112,851.25x = 13,842,576,178.08
  5. Step 5: Solve for x
    x = 13,842,576,178.08/112,851.25
  6. Step 6: Final answer
    x = 122,662.15

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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.