Home / 232,011.20-320,142.98-130,028.66

Finding the Fourth Proportional to 232,011.20, 320,142.98 and 130,028.66

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Solution

The fourth proportional to 232,011.20, 320,142.98 and 130,028.66 is: 179,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,011.20 : 320,142.98 = 130,028.66 : x
  2. Step 2: Convert to fraction form
    232,011.20/320,142.98 = 130,028.66/x
  3. Step 3: Cross multiply
    232,011.20x = 320,142.98 × 130,028.66
  4. Step 4: Simplify right side
    232,011.20x = 41,627,762,622.70
  5. Step 5: Solve for x
    x = 41,627,762,622.70/232,011.20
  6. Step 6: Final answer
    x = 179,421.35

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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.