Home / 124,943.69-187,415.40-40,703.74

Finding the Fourth Proportional to 124,943.69, 187,415.40 and 40,703.74

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Solution

The fourth proportional to 124,943.69, 187,415.40 and 40,703.74 is: 61,055.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,943.69 : 187,415.40 = 40,703.74 : x
  2. Step 2: Convert to fraction form
    124,943.69/187,415.40 = 40,703.74/x
  3. Step 3: Cross multiply
    124,943.69x = 187,415.40 × 40,703.74
  4. Step 4: Simplify right side
    124,943.69x = 7,628,507,581.36
  5. Step 5: Solve for x
    x = 7,628,507,581.36/124,943.69
  6. Step 6: Final answer
    x = 61,055.57

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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.