Home / 118,894.46-164,095.17-90,308.75

Finding the Fourth Proportional to 118,894.46, 164,095.17 and 90,308.75

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Solution

The fourth proportional to 118,894.46, 164,095.17 and 90,308.75 is: 124,641.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,894.46 : 164,095.17 = 90,308.75 : x
  2. Step 2: Convert to fraction form
    118,894.46/164,095.17 = 90,308.75/x
  3. Step 3: Cross multiply
    118,894.46x = 164,095.17 × 90,308.75
  4. Step 4: Simplify right side
    118,894.46x = 14,819,229,232.19
  5. Step 5: Solve for x
    x = 14,819,229,232.19/118,894.46
  6. Step 6: Final answer
    x = 124,641.88

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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.