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Finding the Fourth Proportional to 173,519.61, 259,809.85 and 113,398.29

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Solution

The fourth proportional to 173,519.61, 259,809.85 and 113,398.29 is: 169,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,519.61 : 259,809.85 = 113,398.29 : x
  2. Step 2: Convert to fraction form
    173,519.61/259,809.85 = 113,398.29/x
  3. Step 3: Cross multiply
    173,519.61x = 259,809.85 × 113,398.29
  4. Step 4: Simplify right side
    173,519.61x = 29,461,992,219.04
  5. Step 5: Solve for x
    x = 29,461,992,219.04/173,519.61
  6. Step 6: Final answer
    x = 169,790.57

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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.