Home / 179,477.67-247,680.18-102,990.69

Finding the Fourth Proportional to 179,477.67, 247,680.18 and 102,990.69

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Solution

The fourth proportional to 179,477.67, 247,680.18 and 102,990.69 is: 142,127.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,477.67 : 247,680.18 = 102,990.69 : x
  2. Step 2: Convert to fraction form
    179,477.67/247,680.18 = 102,990.69/x
  3. Step 3: Cross multiply
    179,477.67x = 247,680.18 × 102,990.69
  4. Step 4: Simplify right side
    179,477.67x = 25,508,752,637.52
  5. Step 5: Solve for x
    x = 25,508,752,637.52/179,477.67
  6. Step 6: Final answer
    x = 142,127.72

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1.5x scale

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.