Home / 112,436.82-168,655.19-56,220.36

Finding the Fourth Proportional to 112,436.82, 168,655.19 and 56,220.36

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Solution

The fourth proportional to 112,436.82, 168,655.19 and 56,220.36 is: 84,330.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,436.82 : 168,655.19 = 56,220.36 : x
  2. Step 2: Convert to fraction form
    112,436.82/168,655.19 = 56,220.36/x
  3. Step 3: Cross multiply
    112,436.82x = 168,655.19 × 56,220.36
  4. Step 4: Simplify right side
    112,436.82x = 9,481,855,216.57
  5. Step 5: Solve for x
    x = 9,481,855,216.57/112,436.82
  6. Step 6: Final answer
    x = 84,330.52

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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.