Home / 112,118.48-168,174.07-45,538.91

Finding the Fourth Proportional to 112,118.48, 168,174.07 and 45,538.91

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Solution

The fourth proportional to 112,118.48, 168,174.07 and 45,538.91 is: 68,306.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,118.48 : 168,174.07 = 45,538.91 : x
  2. Step 2: Convert to fraction form
    112,118.48/168,174.07 = 45,538.91/x
  3. Step 3: Cross multiply
    112,118.48x = 168,174.07 × 45,538.91
  4. Step 4: Simplify right side
    112,118.48x = 7,658,462,883.35
  5. Step 5: Solve for x
    x = 7,658,462,883.35/112,118.48
  6. Step 6: Final answer
    x = 68,306.88

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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.