Home / 132,878.26-183,223.02-108,603.88

Finding the Fourth Proportional to 132,878.26, 183,223.02 and 108,603.88

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Solution

The fourth proportional to 132,878.26, 183,223.02 and 108,603.88 is: 149,751.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,878.26 : 183,223.02 = 108,603.88 : x
  2. Step 2: Convert to fraction form
    132,878.26/183,223.02 = 108,603.88/x
  3. Step 3: Cross multiply
    132,878.26x = 183,223.02 × 108,603.88
  4. Step 4: Simplify right side
    132,878.26x = 19,898,730,877.32
  5. Step 5: Solve for x
    x = 19,898,730,877.32/132,878.26
  6. Step 6: Final answer
    x = 149,751.59

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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.