Home / 112,735.96-155,575.32-64,989.04

Finding the Fourth Proportional to 112,735.96, 155,575.32 and 64,989.04

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Solution

The fourth proportional to 112,735.96, 155,575.32 and 64,989.04 is: 89,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,735.96 : 155,575.32 = 64,989.04 : x
  2. Step 2: Convert to fraction form
    112,735.96/155,575.32 = 64,989.04/x
  3. Step 3: Cross multiply
    112,735.96x = 155,575.32 × 64,989.04
  4. Step 4: Simplify right side
    112,735.96x = 10,110,690,694.49
  5. Step 5: Solve for x
    x = 10,110,690,694.49/112,735.96
  6. Step 6: Final answer
    x = 89,684.70

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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.