Home / 112,533.60-155,277.36-70,105.44

Finding the Fourth Proportional to 112,533.60, 155,277.36 and 70,105.44

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Solution

The fourth proportional to 112,533.60, 155,277.36 and 70,105.44 is: 96,733.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,533.60 : 155,277.36 = 70,105.44 : x
  2. Step 2: Convert to fraction form
    112,533.60/155,277.36 = 70,105.44/x
  3. Step 3: Cross multiply
    112,533.60x = 155,277.36 × 70,105.44
  4. Step 4: Simplify right side
    112,533.60x = 10,885,787,644.84
  5. Step 5: Solve for x
    x = 10,885,787,644.84/112,533.60
  6. Step 6: Final answer
    x = 96,733.67

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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.