Home / 158,734.31-219,058.63-87,118.22

Finding the Fourth Proportional to 158,734.31, 219,058.63 and 87,118.22

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Solution

The fourth proportional to 158,734.31, 219,058.63 and 87,118.22 is: 120,226.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,734.31 : 219,058.63 = 87,118.22 : x
  2. Step 2: Convert to fraction form
    158,734.31/219,058.63 = 87,118.22/x
  3. Step 3: Cross multiply
    158,734.31x = 219,058.63 × 87,118.22
  4. Step 4: Simplify right side
    158,734.31x = 19,083,998,251.09
  5. Step 5: Solve for x
    x = 19,083,998,251.09/158,734.31
  6. Step 6: Final answer
    x = 120,226.05

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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.