Home / 141,238.40-195,035.56-105,366.12

Finding the Fourth Proportional to 141,238.40, 195,035.56 and 105,366.12

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Solution

The fourth proportional to 141,238.40, 195,035.56 and 105,366.12 is: 145,499.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,238.40 : 195,035.56 = 105,366.12 : x
  2. Step 2: Convert to fraction form
    141,238.40/195,035.56 = 105,366.12/x
  3. Step 3: Cross multiply
    141,238.40x = 195,035.56 × 105,366.12
  4. Step 4: Simplify right side
    141,238.40x = 20,550,140,219.23
  5. Step 5: Solve for x
    x = 20,550,140,219.23/141,238.40
  6. Step 6: Final answer
    x = 145,499.67

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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.