Home / 125,018.33-172,525.40-71,301.96

Finding the Fourth Proportional to 125,018.33, 172,525.40 and 71,301.96

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Solution

The fourth proportional to 125,018.33, 172,525.40 and 71,301.96 is: 98,396.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,018.33 : 172,525.40 = 71,301.96 : x
  2. Step 2: Convert to fraction form
    125,018.33/172,525.40 = 71,301.96/x
  3. Step 3: Cross multiply
    125,018.33x = 172,525.40 × 71,301.96
  4. Step 4: Simplify right side
    125,018.33x = 12,301,398,813.27
  5. Step 5: Solve for x
    x = 12,301,398,813.27/125,018.33
  6. Step 6: Final answer
    x = 98,396.77

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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.