Home / 112,556.84-168,835.16-45,119.34

Finding the Fourth Proportional to 112,556.84, 168,835.16 and 45,119.34

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Solution

The fourth proportional to 112,556.84, 168,835.16 and 45,119.34 is: 67,678.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,556.84 : 168,835.16 = 45,119.34 : x
  2. Step 2: Convert to fraction form
    112,556.84/168,835.16 = 45,119.34/x
  3. Step 3: Cross multiply
    112,556.84x = 168,835.16 × 45,119.34
  4. Step 4: Simplify right side
    112,556.84x = 7,617,730,987.99
  5. Step 5: Solve for x
    x = 7,617,730,987.99/112,556.84
  6. Step 6: Final answer
    x = 67,678.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.