Home / 93,211.20-139,816.80-30,881.70

Finding the Fourth Proportional to 93,211.20, 139,816.80 and 30,881.70

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Solution

The fourth proportional to 93,211.20, 139,816.80 and 30,881.70 is: 46,322.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,211.20 : 139,816.80 = 30,881.70 : x
  2. Step 2: Convert to fraction form
    93,211.20/139,816.80 = 30,881.70/x
  3. Step 3: Cross multiply
    93,211.20x = 139,816.80 × 30,881.70
  4. Step 4: Simplify right side
    93,211.20x = 4,317,780,472.56
  5. Step 5: Solve for x
    x = 4,317,780,472.56/93,211.20
  6. Step 6: Final answer
    x = 46,322.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.