Home / 112,832.28-155,702.21-61,835.29

Finding the Fourth Proportional to 112,832.28, 155,702.21 and 61,835.29

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Solution

The fourth proportional to 112,832.28, 155,702.21 and 61,835.29 is: 85,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,832.28 : 155,702.21 = 61,835.29 : x
  2. Step 2: Convert to fraction form
    112,832.28/155,702.21 = 61,835.29/x
  3. Step 3: Cross multiply
    112,832.28x = 155,702.21 × 61,835.29
  4. Step 4: Simplify right side
    112,832.28x = 9,627,891,308.99
  5. Step 5: Solve for x
    x = 9,627,891,308.99/112,832.28
  6. Step 6: Final answer
    x = 85,329.23

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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.