Home / 125,165.25-172,728.05-68,577.93

Finding the Fourth Proportional to 125,165.25, 172,728.05 and 68,577.93

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Solution

The fourth proportional to 125,165.25, 172,728.05 and 68,577.93 is: 94,637.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,165.25 : 172,728.05 = 68,577.93 : x
  2. Step 2: Convert to fraction form
    125,165.25/172,728.05 = 68,577.93/x
  3. Step 3: Cross multiply
    125,165.25x = 172,728.05 × 68,577.93
  4. Step 4: Simplify right side
    125,165.25x = 11,845,331,779.05
  5. Step 5: Solve for x
    x = 11,845,331,779.05/125,165.25
  6. Step 6: Final answer
    x = 94,637.54

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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.