Home / 179,039.60-247,055.28-103,574

Finding the Fourth Proportional to 179,039.60, 247,055.28 and 103,574

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Solution

The fourth proportional to 179,039.60, 247,055.28 and 103,574 is: 142,920.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,039.60 : 247,055.28 = 103,574 : x
  2. Step 2: Convert to fraction form
    179,039.60/247,055.28 = 103,574/x
  3. Step 3: Cross multiply
    179,039.60x = 247,055.28 × 103,574
  4. Step 4: Simplify right side
    179,039.60x = 25,588,503,570.72
  5. Step 5: Solve for x
    x = 25,588,503,570.72/179,039.60
  6. Step 6: Final answer
    x = 142,920.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.