Home / 112,296.24-168,443.82-45,720.59

Finding the Fourth Proportional to 112,296.24, 168,443.82 and 45,720.59

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Solution

The fourth proportional to 112,296.24, 168,443.82 and 45,720.59 is: 68,580.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,296.24 : 168,443.82 = 45,720.59 : x
  2. Step 2: Convert to fraction form
    112,296.24/168,443.82 = 45,720.59/x
  3. Step 3: Cross multiply
    112,296.24x = 168,443.82 × 45,720.59
  4. Step 4: Simplify right side
    112,296.24x = 7,701,349,990.03
  5. Step 5: Solve for x
    x = 7,701,349,990.03/112,296.24
  6. Step 6: Final answer
    x = 68,580.66

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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.