Home / 112,137.88-168,206.82-52,979.50

Finding the Fourth Proportional to 112,137.88, 168,206.82 and 52,979.50

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Solution

The fourth proportional to 112,137.88, 168,206.82 and 52,979.50 is: 79,469.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,137.88 : 168,206.82 = 52,979.50 : x
  2. Step 2: Convert to fraction form
    112,137.88/168,206.82 = 52,979.50/x
  3. Step 3: Cross multiply
    112,137.88x = 168,206.82 × 52,979.50
  4. Step 4: Simplify right side
    112,137.88x = 8,911,513,220.19
  5. Step 5: Solve for x
    x = 8,911,513,220.19/112,137.88
  6. Step 6: Final answer
    x = 79,469.25

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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.