Home / 112,414.04-168,318.91-85,632.46

Finding the Fourth Proportional to 112,414.04, 168,318.91 and 85,632.46

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Solution

The fourth proportional to 112,414.04, 168,318.91 and 85,632.46 is: 128,218.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,414.04 : 168,318.91 = 85,632.46 : x
  2. Step 2: Convert to fraction form
    112,414.04/168,318.91 = 85,632.46/x
  3. Step 3: Cross multiply
    112,414.04x = 168,318.91 × 85,632.46
  4. Step 4: Simplify right side
    112,414.04x = 14,413,562,327.82
  5. Step 5: Solve for x
    x = 14,413,562,327.82/112,414.04
  6. Step 6: Final answer
    x = 128,218.52

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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.