Home / 115,482.40-173,187.60-45,383.20

Finding the Fourth Proportional to 115,482.40, 173,187.60 and 45,383.20

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Solution

The fourth proportional to 115,482.40, 173,187.60 and 45,383.20 is: 68,060.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,482.40 : 173,187.60 = 45,383.20 : x
  2. Step 2: Convert to fraction form
    115,482.40/173,187.60 = 45,383.20/x
  3. Step 3: Cross multiply
    115,482.40x = 173,187.60 × 45,383.20
  4. Step 4: Simplify right side
    115,482.40x = 7,859,807,488.32
  5. Step 5: Solve for x
    x = 7,859,807,488.32/115,482.40
  6. Step 6: Final answer
    x = 68,060.65

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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.