Home / 179,031.19-247,058.10-98,458.71

Finding the Fourth Proportional to 179,031.19, 247,058.10 and 98,458.71

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Solution

The fourth proportional to 179,031.19, 247,058.10 and 98,458.71 is: 135,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,031.19 : 247,058.10 = 98,458.71 : x
  2. Step 2: Convert to fraction form
    179,031.19/247,058.10 = 98,458.71/x
  3. Step 3: Cross multiply
    179,031.19x = 247,058.10 × 98,458.71
  4. Step 4: Simplify right side
    179,031.19x = 24,325,021,821.05
  5. Step 5: Solve for x
    x = 24,325,021,821.05/179,031.19
  6. Step 6: Final answer
    x = 135,870.30

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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.