Home / 115,453.40-173,309.70-89,274.20

Finding the Fourth Proportional to 115,453.40, 173,309.70 and 89,274.20

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Solution

The fourth proportional to 115,453.40, 173,309.70 and 89,274.20 is: 134,011.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,453.40 : 173,309.70 = 89,274.20 : x
  2. Step 2: Convert to fraction form
    115,453.40/173,309.70 = 89,274.20/x
  3. Step 3: Cross multiply
    115,453.40x = 173,309.70 × 89,274.20
  4. Step 4: Simplify right side
    115,453.40x = 15,472,084,819.74
  5. Step 5: Solve for x
    x = 15,472,084,819.74/115,453.40
  6. Step 6: Final answer
    x = 134,011.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.