Home / 159,116.60-219,579.05-87,492.35

Finding the Fourth Proportional to 159,116.60, 219,579.05 and 87,492.35

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Solution

The fourth proportional to 159,116.60, 219,579.05 and 87,492.35 is: 120,738.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,116.60 : 219,579.05 = 87,492.35 : x
  2. Step 2: Convert to fraction form
    159,116.60/219,579.05 = 87,492.35/x
  3. Step 3: Cross multiply
    159,116.60x = 219,579.05 × 87,492.35
  4. Step 4: Simplify right side
    159,116.60x = 19,211,487,862.95
  5. Step 5: Solve for x
    x = 19,211,487,862.95/159,116.60
  6. Step 6: Final answer
    x = 120,738.42

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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.