Home / 141,319.92-195,030.18-80,889.17

Finding the Fourth Proportional to 141,319.92, 195,030.18 and 80,889.17

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Solution

The fourth proportional to 141,319.92, 195,030.18 and 80,889.17 is: 111,632.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,319.92 : 195,030.18 = 80,889.17 : x
  2. Step 2: Convert to fraction form
    141,319.92/195,030.18 = 80,889.17/x
  3. Step 3: Cross multiply
    141,319.92x = 195,030.18 × 80,889.17
  4. Step 4: Simplify right side
    141,319.92x = 15,775,828,410.00
  5. Step 5: Solve for x
    x = 15,775,828,410.00/141,319.92
  6. Step 6: Final answer
    x = 111,632.02

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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.