Home / 112,390.11-168,610.28-42,270.03

Finding the Fourth Proportional to 112,390.11, 168,610.28 and 42,270.03

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Solution

The fourth proportional to 112,390.11, 168,610.28 and 42,270.03 is: 63,414.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,390.11 : 168,610.28 = 42,270.03 : x
  2. Step 2: Convert to fraction form
    112,390.11/168,610.28 = 42,270.03/x
  3. Step 3: Cross multiply
    112,390.11x = 168,610.28 × 42,270.03
  4. Step 4: Simplify right side
    112,390.11x = 7,127,161,382.56
  5. Step 5: Solve for x
    x = 7,127,161,382.56/112,390.11
  6. Step 6: Final answer
    x = 63,414.49

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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.