Home / 124,869.36-172,286.48-71,153.24

Finding the Fourth Proportional to 124,869.36, 172,286.48 and 71,153.24

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Solution

The fourth proportional to 124,869.36, 172,286.48 and 71,153.24 is: 98,172.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,869.36 : 172,286.48 = 71,153.24 : x
  2. Step 2: Convert to fraction form
    124,869.36/172,286.48 = 71,153.24/x
  3. Step 3: Cross multiply
    124,869.36x = 172,286.48 × 71,153.24
  4. Step 4: Simplify right side
    124,869.36x = 12,258,740,043.00
  5. Step 5: Solve for x
    x = 12,258,740,043.00/124,869.36
  6. Step 6: Final answer
    x = 98,172.52

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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.