Home / 118,366.19-163,273.75-75,850.91

Finding the Fourth Proportional to 118,366.19, 163,273.75 and 75,850.91

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Solution

The fourth proportional to 118,366.19, 163,273.75 and 75,850.91 is: 104,628.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,366.19 : 163,273.75 = 75,850.91 : x
  2. Step 2: Convert to fraction form
    118,366.19/163,273.75 = 75,850.91/x
  3. Step 3: Cross multiply
    118,366.19x = 163,273.75 × 75,850.91
  4. Step 4: Simplify right side
    118,366.19x = 12,384,461,510.62
  5. Step 5: Solve for x
    x = 12,384,461,510.62/118,366.19
  6. Step 6: Final answer
    x = 104,628.37

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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.