Home / 125,322.86-172,946.40-68,734.64

Finding the Fourth Proportional to 125,322.86, 172,946.40 and 68,734.64

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Solution

The fourth proportional to 125,322.86, 172,946.40 and 68,734.64 is: 94,854.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,322.86 : 172,946.40 = 68,734.64 : x
  2. Step 2: Convert to fraction form
    125,322.86/172,946.40 = 68,734.64/x
  3. Step 3: Cross multiply
    125,322.86x = 172,946.40 × 68,734.64
  4. Step 4: Simplify right side
    125,322.86x = 11,887,408,543.30
  5. Step 5: Solve for x
    x = 11,887,408,543.30/125,322.86
  6. Step 6: Final answer
    x = 94,854.27

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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.