Home / 112,365.36-168,573.18-42,245.28

Finding the Fourth Proportional to 112,365.36, 168,573.18 and 42,245.28

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Solution

The fourth proportional to 112,365.36, 168,573.18 and 42,245.28 is: 63,377.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,365.36 : 168,573.18 = 42,245.28 : x
  2. Step 2: Convert to fraction form
    112,365.36/168,573.18 = 42,245.28/x
  3. Step 3: Cross multiply
    112,365.36x = 168,573.18 × 42,245.28
  4. Step 4: Simplify right side
    112,365.36x = 7,121,421,189.59
  5. Step 5: Solve for x
    x = 7,121,421,189.59/112,365.36
  6. Step 6: Final answer
    x = 63,377.37

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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.