Home / 112,065.83-168,113.32-40,977.39

Finding the Fourth Proportional to 112,065.83, 168,113.32 and 40,977.39

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Solution

The fourth proportional to 112,065.83, 168,113.32 and 40,977.39 is: 61,471.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,065.83 : 168,113.32 = 40,977.39 : x
  2. Step 2: Convert to fraction form
    112,065.83/168,113.32 = 40,977.39/x
  3. Step 3: Cross multiply
    112,065.83x = 168,113.32 × 40,977.39
  4. Step 4: Simplify right side
    112,065.83x = 6,888,845,077.83
  5. Step 5: Solve for x
    x = 6,888,845,077.83/112,065.83
  6. Step 6: Final answer
    x = 61,471.41

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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.