Home / 179,612.10-247,855.80-102,077.64

Finding the Fourth Proportional to 179,612.10, 247,855.80 and 102,077.64

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Solution

The fourth proportional to 179,612.10, 247,855.80 and 102,077.64 is: 140,862.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,612.10 : 247,855.80 = 102,077.64 : x
  2. Step 2: Convert to fraction form
    179,612.10/247,855.80 = 102,077.64/x
  3. Step 3: Cross multiply
    179,612.10x = 247,855.80 × 102,077.64
  4. Step 4: Simplify right side
    179,612.10x = 25,300,535,124.31
  5. Step 5: Solve for x
    x = 25,300,535,124.31/179,612.10
  6. Step 6: Final answer
    x = 140,862.09

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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.