Home / 195,929.32-270,412-119,492.78

Finding the Fourth Proportional to 195,929.32, 270,412 and 119,492.78

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Solution

The fourth proportional to 195,929.32, 270,412 and 119,492.78 is: 164,918.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,929.32 : 270,412 = 119,492.78 : x
  2. Step 2: Convert to fraction form
    195,929.32/270,412 = 119,492.78/x
  3. Step 3: Cross multiply
    195,929.32x = 270,412 × 119,492.78
  4. Step 4: Simplify right side
    195,929.32x = 32,312,281,625.36
  5. Step 5: Solve for x
    x = 32,312,281,625.36/195,929.32
  6. Step 6: Final answer
    x = 164,918.05

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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.