Home / 159,063.23-219,511.45-87,445.06

Finding the Fourth Proportional to 159,063.23, 219,511.45 and 87,445.06

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Solution

The fourth proportional to 159,063.23, 219,511.45 and 87,445.06 is: 120,676.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,063.23 : 219,511.45 = 87,445.06 : x
  2. Step 2: Convert to fraction form
    159,063.23/219,511.45 = 87,445.06/x
  3. Step 3: Cross multiply
    159,063.23x = 219,511.45 × 87,445.06
  4. Step 4: Simplify right side
    159,063.23x = 19,195,191,476.46
  5. Step 5: Solve for x
    x = 19,195,191,476.46/159,063.23
  6. Step 6: Final answer
    x = 120,676.48

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1.5x scale

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.