Home / 113,416.72-170,146.68-43,290.16

Finding the Fourth Proportional to 113,416.72, 170,146.68 and 43,290.16

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Solution

The fourth proportional to 113,416.72, 170,146.68 and 43,290.16 is: 64,943.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,416.72 : 170,146.68 = 43,290.16 : x
  2. Step 2: Convert to fraction form
    113,416.72/170,146.68 = 43,290.16/x
  3. Step 3: Cross multiply
    113,416.72x = 170,146.68 × 43,290.16
  4. Step 4: Simplify right side
    113,416.72x = 7,365,677,000.67
  5. Step 5: Solve for x
    x = 7,365,677,000.67/113,416.72
  6. Step 6: Final answer
    x = 64,943.48

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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.