Home / 112,206.40-168,374.40-42,092.80

Finding the Fourth Proportional to 112,206.40, 168,374.40 and 42,092.80

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Solution

The fourth proportional to 112,206.40, 168,374.40 and 42,092.80 is: 63,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,206.40 : 168,374.40 = 42,092.80 : x
  2. Step 2: Convert to fraction form
    112,206.40/168,374.40 = 42,092.80/x
  3. Step 3: Cross multiply
    112,206.40x = 168,374.40 × 42,092.80
  4. Step 4: Simplify right side
    112,206.40x = 7,087,349,944.32
  5. Step 5: Solve for x
    x = 7,087,349,944.32/112,206.40
  6. Step 6: Final answer
    x = 63,163.51

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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.