Home / 112,804.49-169,228.07-45,341.78

Finding the Fourth Proportional to 112,804.49, 169,228.07 and 45,341.78

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Solution

The fourth proportional to 112,804.49, 169,228.07 and 45,341.78 is: 68,021.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,804.49 : 169,228.07 = 45,341.78 : x
  2. Step 2: Convert to fraction form
    112,804.49/169,228.07 = 45,341.78/x
  3. Step 3: Cross multiply
    112,804.49x = 169,228.07 × 45,341.78
  4. Step 4: Simplify right side
    112,804.49x = 7,673,101,919.76
  5. Step 5: Solve for x
    x = 7,673,101,919.76/112,804.49
  6. Step 6: Final answer
    x = 68,021.25

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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.