Home / 139,232.19-192,140.56-75,570.00

Finding the Fourth Proportional to 139,232.19, 192,140.56 and 75,570.00

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Solution

The fourth proportional to 139,232.19, 192,140.56 and 75,570.00 is: 104,286.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,232.19 : 192,140.56 = 75,570.00 : x
  2. Step 2: Convert to fraction form
    139,232.19/192,140.56 = 75,570.00/x
  3. Step 3: Cross multiply
    139,232.19x = 192,140.56 × 75,570.00
  4. Step 4: Simplify right side
    139,232.19x = 14,520,060,969.57
  5. Step 5: Solve for x
    x = 14,520,060,969.57/139,232.19
  6. Step 6: Final answer
    x = 104,286.67

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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.