Home / 112,899.66-169,295.73-42,734.22

Finding the Fourth Proportional to 112,899.66, 169,295.73 and 42,734.22

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Solution

The fourth proportional to 112,899.66, 169,295.73 and 42,734.22 is: 64,080.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,899.66 : 169,295.73 = 42,734.22 : x
  2. Step 2: Convert to fraction form
    112,899.66/169,295.73 = 42,734.22/x
  3. Step 3: Cross multiply
    112,899.66x = 169,295.73 × 42,734.22
  4. Step 4: Simplify right side
    112,899.66x = 7,234,720,970.88
  5. Step 5: Solve for x
    x = 7,234,720,970.88/112,899.66
  6. Step 6: Final answer
    x = 64,080.98

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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.