Home / 112,684.24-155,502.72-61,696.32

Finding the Fourth Proportional to 112,684.24, 155,502.72 and 61,696.32

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Solution

The fourth proportional to 112,684.24, 155,502.72 and 61,696.32 is: 85,140.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,684.24 : 155,502.72 = 61,696.32 : x
  2. Step 2: Convert to fraction form
    112,684.24/155,502.72 = 61,696.32/x
  3. Step 3: Cross multiply
    112,684.24x = 155,502.72 × 61,696.32
  4. Step 4: Simplify right side
    112,684.24x = 9,593,945,573.99
  5. Step 5: Solve for x
    x = 9,593,945,573.99/112,684.24
  6. Step 6: Final answer
    x = 85,140.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.