Home / 115,799.40-173,828.70-89,620.20

Finding the Fourth Proportional to 115,799.40, 173,828.70 and 89,620.20

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Solution

The fourth proportional to 115,799.40, 173,828.70 and 89,620.20 is: 134,530.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,799.40 : 173,828.70 = 89,620.20 : x
  2. Step 2: Convert to fraction form
    115,799.40/173,828.70 = 89,620.20/x
  3. Step 3: Cross multiply
    115,799.40x = 173,828.70 × 89,620.20
  4. Step 4: Simplify right side
    115,799.40x = 15,578,562,859.74
  5. Step 5: Solve for x
    x = 15,578,562,859.74/115,799.40
  6. Step 6: Final answer
    x = 134,530.60

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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.