Home / 147,007.61-220,336.45-102,392.81

Finding the Fourth Proportional to 147,007.61, 220,336.45 and 102,392.81

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Solution

The fourth proportional to 147,007.61, 220,336.45 and 102,392.81 is: 153,467.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,007.61 : 220,336.45 = 102,392.81 : x
  2. Step 2: Convert to fraction form
    147,007.61/220,336.45 = 102,392.81/x
  3. Step 3: Cross multiply
    147,007.61x = 220,336.45 × 102,392.81
  4. Step 4: Simplify right side
    147,007.61x = 22,560,867,729.52
  5. Step 5: Solve for x
    x = 22,560,867,729.52/147,007.61
  6. Step 6: Final answer
    x = 153,467.35

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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.