Home / 112,206.22-168,112.08-100,002.76

Finding the Fourth Proportional to 112,206.22, 168,112.08 and 100,002.76

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Solution

The fourth proportional to 112,206.22, 168,112.08 and 100,002.76 is: 149,828.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,206.22 : 168,112.08 = 100,002.76 : x
  2. Step 2: Convert to fraction form
    112,206.22/168,112.08 = 100,002.76/x
  3. Step 3: Cross multiply
    112,206.22x = 168,112.08 × 100,002.76
  4. Step 4: Simplify right side
    112,206.22x = 16,811,671,569.06
  5. Step 5: Solve for x
    x = 16,811,671,569.06/112,206.22
  6. Step 6: Final answer
    x = 149,828.34

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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.