Home / 112,984.76-155,925.46-68,287.16

Finding the Fourth Proportional to 112,984.76, 155,925.46 and 68,287.16

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Solution

The fourth proportional to 112,984.76, 155,925.46 and 68,287.16 is: 94,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,984.76 : 155,925.46 = 68,287.16 : x
  2. Step 2: Convert to fraction form
    112,984.76/155,925.46 = 68,287.16/x
  3. Step 3: Cross multiply
    112,984.76x = 155,925.46 × 68,287.16
  4. Step 4: Simplify right side
    112,984.76x = 10,647,706,835.09
  5. Step 5: Solve for x
    x = 10,647,706,835.09/112,984.76
  6. Step 6: Final answer
    x = 94,240.20

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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.