Home / 112,517.44-155,307.54-64,804.30

Finding the Fourth Proportional to 112,517.44, 155,307.54 and 64,804.30

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Solution

The fourth proportional to 112,517.44, 155,307.54 and 64,804.30 is: 89,449.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,517.44 : 155,307.54 = 64,804.30 : x
  2. Step 2: Convert to fraction form
    112,517.44/155,307.54 = 64,804.30/x
  3. Step 3: Cross multiply
    112,517.44x = 155,307.54 × 64,804.30
  4. Step 4: Simplify right side
    112,517.44x = 10,064,596,414.42
  5. Step 5: Solve for x
    x = 10,064,596,414.42/112,517.44
  6. Step 6: Final answer
    x = 89,449.21

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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.