Home / 112,390.21-168,548.25-37,489.71

Finding the Fourth Proportional to 112,390.21, 168,548.25 and 37,489.71

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Solution

The fourth proportional to 112,390.21, 168,548.25 and 37,489.71 is: 56,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,390.21 : 168,548.25 = 37,489.71 : x
  2. Step 2: Convert to fraction form
    112,390.21/168,548.25 = 37,489.71/x
  3. Step 3: Cross multiply
    112,390.21x = 168,548.25 × 37,489.71
  4. Step 4: Simplify right side
    112,390.21x = 6,318,825,013.51
  5. Step 5: Solve for x
    x = 6,318,825,013.51/112,390.21
  6. Step 6: Final answer
    x = 56,222.20

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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.