Home / 125,064.37-172,606.04-76,695.22

Finding the Fourth Proportional to 125,064.37, 172,606.04 and 76,695.22

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Solution

The fourth proportional to 125,064.37, 172,606.04 and 76,695.22 is: 105,849.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,064.37 : 172,606.04 = 76,695.22 : x
  2. Step 2: Convert to fraction form
    125,064.37/172,606.04 = 76,695.22/x
  3. Step 3: Cross multiply
    125,064.37x = 172,606.04 × 76,695.22
  4. Step 4: Simplify right side
    125,064.37x = 13,238,058,211.13
  5. Step 5: Solve for x
    x = 13,238,058,211.13/125,064.37
  6. Step 6: Final answer
    x = 105,849.96

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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.