Home / 130,895.79-180,584.22-75,694.92

Finding the Fourth Proportional to 130,895.79, 180,584.22 and 75,694.92

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Solution

The fourth proportional to 130,895.79, 180,584.22 and 75,694.92 is: 104,428.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,895.79 : 180,584.22 = 75,694.92 : x
  2. Step 2: Convert to fraction form
    130,895.79/180,584.22 = 75,694.92/x
  3. Step 3: Cross multiply
    130,895.79x = 180,584.22 × 75,694.92
  4. Step 4: Simplify right side
    130,895.79x = 13,669,308,086.16
  5. Step 5: Solve for x
    x = 13,669,308,086.16/130,895.79
  6. Step 6: Final answer
    x = 104,428.94

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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.