Home / 159,264.41-219,779.37-87,637.73

Finding the Fourth Proportional to 159,264.41, 219,779.37 and 87,637.73

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Solution

The fourth proportional to 159,264.41, 219,779.37 and 87,637.73 is: 120,937.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,264.41 : 219,779.37 = 87,637.73 : x
  2. Step 2: Convert to fraction form
    159,264.41/219,779.37 = 87,637.73/x
  3. Step 3: Cross multiply
    159,264.41x = 219,779.37 × 87,637.73
  4. Step 4: Simplify right side
    159,264.41x = 19,260,963,988.73
  5. Step 5: Solve for x
    x = 19,260,963,988.73/159,264.41
  6. Step 6: Final answer
    x = 120,937.03

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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.