Home / 132,917.92-183,410.40-112,855.84

Finding the Fourth Proportional to 132,917.92, 183,410.40 and 112,855.84

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Solution

The fourth proportional to 132,917.92, 183,410.40 and 112,855.84 is: 155,727.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,917.92 : 183,410.40 = 112,855.84 : x
  2. Step 2: Convert to fraction form
    132,917.92/183,410.40 = 112,855.84/x
  3. Step 3: Cross multiply
    132,917.92x = 183,410.40 × 112,855.84
  4. Step 4: Simplify right side
    132,917.92x = 20,698,934,756.74
  5. Step 5: Solve for x
    x = 20,698,934,756.74/132,917.92
  6. Step 6: Final answer
    x = 155,727.19

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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.