Home / 124,178.45-171,161.30-87,832.94

Finding the Fourth Proportional to 124,178.45, 171,161.30 and 87,832.94

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Solution

The fourth proportional to 124,178.45, 171,161.30 and 87,832.94 is: 121,064.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,178.45 : 171,161.30 = 87,832.94 : x
  2. Step 2: Convert to fraction form
    124,178.45/171,161.30 = 87,832.94/x
  3. Step 3: Cross multiply
    124,178.45x = 171,161.30 × 87,832.94
  4. Step 4: Simplify right side
    124,178.45x = 15,033,598,898.25
  5. Step 5: Solve for x
    x = 15,033,598,898.25/124,178.45
  6. Step 6: Final answer
    x = 121,064.48

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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.