Home / 113,019.89-169,536.33-40,988.49

Finding the Fourth Proportional to 113,019.89, 169,536.33 and 40,988.49

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Solution

The fourth proportional to 113,019.89, 169,536.33 and 40,988.49 is: 61,485.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,019.89 : 169,536.33 = 40,988.49 : x
  2. Step 2: Convert to fraction form
    113,019.89/169,536.33 = 40,988.49/x
  3. Step 3: Cross multiply
    113,019.89x = 169,536.33 × 40,988.49
  4. Step 4: Simplify right side
    113,019.89x = 6,949,038,166.84
  5. Step 5: Solve for x
    x = 6,949,038,166.84/113,019.89
  6. Step 6: Final answer
    x = 61,485.09

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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.