Home / 112,918.17-169,229.61-46,280.28

Finding the Fourth Proportional to 112,918.17, 169,229.61 and 46,280.28

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Solution

The fourth proportional to 112,918.17, 169,229.61 and 46,280.28 is: 69,359.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,918.17 : 169,229.61 = 46,280.28 : x
  2. Step 2: Convert to fraction form
    112,918.17/169,229.61 = 46,280.28/x
  3. Step 3: Cross multiply
    112,918.17x = 169,229.61 × 46,280.28
  4. Step 4: Simplify right side
    112,918.17x = 7,831,993,735.09
  5. Step 5: Solve for x
    x = 7,831,993,735.09/112,918.17
  6. Step 6: Final answer
    x = 69,359.91

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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.