Home / 112,064.90-168,097.35-80,572.10

Finding the Fourth Proportional to 112,064.90, 168,097.35 and 80,572.10

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Solution

The fourth proportional to 112,064.90, 168,097.35 and 80,572.10 is: 120,858.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,064.90 : 168,097.35 = 80,572.10 : x
  2. Step 2: Convert to fraction form
    112,064.90/168,097.35 = 80,572.10/x
  3. Step 3: Cross multiply
    112,064.90x = 168,097.35 × 80,572.10
  4. Step 4: Simplify right side
    112,064.90x = 13,543,956,493.94
  5. Step 5: Solve for x
    x = 13,543,956,493.94/112,064.90
  6. Step 6: Final answer
    x = 120,858.15

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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.