Home / 115,690.30-173,578.65-45,618.46

Finding the Fourth Proportional to 115,690.30, 173,578.65 and 45,618.46

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Solution

The fourth proportional to 115,690.30, 173,578.65 and 45,618.46 is: 68,444.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,690.30 : 173,578.65 = 45,618.46 : x
  2. Step 2: Convert to fraction form
    115,690.30/173,578.65 = 45,618.46/x
  3. Step 3: Cross multiply
    115,690.30x = 173,578.65 × 45,618.46
  4. Step 4: Simplify right side
    115,690.30x = 7,918,390,701.88
  5. Step 5: Solve for x
    x = 7,918,390,701.88/115,690.30
  6. Step 6: Final answer
    x = 68,444.72

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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.