Home / 125,204.76-172,705.80-102,267.91

Finding the Fourth Proportional to 125,204.76, 172,705.80 and 102,267.91

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Solution

The fourth proportional to 125,204.76, 172,705.80 and 102,267.91 is: 141,067.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,204.76 : 172,705.80 = 102,267.91 : x
  2. Step 2: Convert to fraction form
    125,204.76/172,705.80 = 102,267.91/x
  3. Step 3: Cross multiply
    125,204.76x = 172,705.80 × 102,267.91
  4. Step 4: Simplify right side
    125,204.76x = 17,662,260,838.79
  5. Step 5: Solve for x
    x = 17,662,260,838.79/125,204.76
  6. Step 6: Final answer
    x = 141,067.01

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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.