Home / 124,908.13-187,313.32-40,647.80

Finding the Fourth Proportional to 124,908.13, 187,313.32 and 40,647.80

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Solution

The fourth proportional to 124,908.13, 187,313.32 and 40,647.80 is: 60,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,908.13 : 187,313.32 = 40,647.80 : x
  2. Step 2: Convert to fraction form
    124,908.13/187,313.32 = 40,647.80/x
  3. Step 3: Cross multiply
    124,908.13x = 187,313.32 × 40,647.80
  4. Step 4: Simplify right side
    124,908.13x = 7,613,874,368.70
  5. Step 5: Solve for x
    x = 7,613,874,368.70/124,908.13
  6. Step 6: Final answer
    x = 60,955.80

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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.