Home / 112,928.34-169,447.59-46,388.46

Finding the Fourth Proportional to 112,928.34, 169,447.59 and 46,388.46

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Solution

The fourth proportional to 112,928.34, 169,447.59 and 46,388.46 is: 69,605.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,928.34 : 169,447.59 = 46,388.46 : x
  2. Step 2: Convert to fraction form
    112,928.34/169,447.59 = 46,388.46/x
  3. Step 3: Cross multiply
    112,928.34x = 169,447.59 × 46,388.46
  4. Step 4: Simplify right side
    112,928.34x = 7,860,412,750.81
  5. Step 5: Solve for x
    x = 7,860,412,750.81/112,928.34
  6. Step 6: Final answer
    x = 69,605.32

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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.