Home / 119,492.20-164,776.98-79,192

Finding the Fourth Proportional to 119,492.20, 164,776.98 and 79,192

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Solution

The fourth proportional to 119,492.20, 164,776.98 and 79,192 is: 109,203.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,492.20 : 164,776.98 = 79,192 : x
  2. Step 2: Convert to fraction form
    119,492.20/164,776.98 = 79,192/x
  3. Step 3: Cross multiply
    119,492.20x = 164,776.98 × 79,192
  4. Step 4: Simplify right side
    119,492.20x = 13,049,018,600.16
  5. Step 5: Solve for x
    x = 13,049,018,600.16/119,492.20
  6. Step 6: Final answer
    x = 109,203.94

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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.