Home / 115,883.40-173,954.70-89,704.20

Finding the Fourth Proportional to 115,883.40, 173,954.70 and 89,704.20

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Solution

The fourth proportional to 115,883.40, 173,954.70 and 89,704.20 is: 134,656.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,883.40 : 173,954.70 = 89,704.20 : x
  2. Step 2: Convert to fraction form
    115,883.40/173,954.70 = 89,704.20/x
  3. Step 3: Cross multiply
    115,883.40x = 173,954.70 × 89,704.20
  4. Step 4: Simplify right side
    115,883.40x = 15,604,467,199.74
  5. Step 5: Solve for x
    x = 15,604,467,199.74/115,883.40
  6. Step 6: Final answer
    x = 134,656.62

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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.