Home / 100,259.43-138,351.13-58,880.04

Finding the Fourth Proportional to 100,259.43, 138,351.13 and 58,880.04

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Solution

The fourth proportional to 100,259.43, 138,351.13 and 58,880.04 is: 81,250.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,259.43 : 138,351.13 = 58,880.04 : x
  2. Step 2: Convert to fraction form
    100,259.43/138,351.13 = 58,880.04/x
  3. Step 3: Cross multiply
    100,259.43x = 138,351.13 × 58,880.04
  4. Step 4: Simplify right side
    100,259.43x = 8,146,120,068.45
  5. Step 5: Solve for x
    x = 8,146,120,068.45/100,259.43
  6. Step 6: Final answer
    x = 81,250.41

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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.