Home / 112,439.36-168,814.56-57,074.24

Finding the Fourth Proportional to 112,439.36, 168,814.56 and 57,074.24

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Solution

The fourth proportional to 112,439.36, 168,814.56 and 57,074.24 is: 85,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,439.36 : 168,814.56 = 57,074.24 : x
  2. Step 2: Convert to fraction form
    112,439.36/168,814.56 = 57,074.24/x
  3. Step 3: Cross multiply
    112,439.36x = 168,814.56 × 57,074.24
  4. Step 4: Simplify right side
    112,439.36x = 9,634,962,712.93
  5. Step 5: Solve for x
    x = 9,634,962,712.93/112,439.36
  6. Step 6: Final answer
    x = 85,690.30

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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.