Home / 179,132.10-247,237.65-102,702.54

Finding the Fourth Proportional to 179,132.10, 247,237.65 and 102,702.54

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Solution

The fourth proportional to 179,132.10, 247,237.65 and 102,702.54 is: 141,749.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,132.10 : 247,237.65 = 102,702.54 : x
  2. Step 2: Convert to fraction form
    179,132.10/247,237.65 = 102,702.54/x
  3. Step 3: Cross multiply
    179,132.10x = 247,237.65 × 102,702.54
  4. Step 4: Simplify right side
    179,132.10x = 25,391,934,638.63
  5. Step 5: Solve for x
    x = 25,391,934,638.63/179,132.10
  6. Step 6: Final answer
    x = 141,749.77

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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.