Home / 98,711.82-147,936.48-56,604.78

Finding the Fourth Proportional to 98,711.82, 147,936.48 and 56,604.78

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Solution

The fourth proportional to 98,711.82, 147,936.48 and 56,604.78 is: 84,831.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,711.82 : 147,936.48 = 56,604.78 : x
  2. Step 2: Convert to fraction form
    98,711.82/147,936.48 = 56,604.78/x
  3. Step 3: Cross multiply
    98,711.82x = 147,936.48 × 56,604.78
  4. Step 4: Simplify right side
    98,711.82x = 8,373,911,904.37
  5. Step 5: Solve for x
    x = 8,373,911,904.37/98,711.82
  6. Step 6: Final answer
    x = 84,831.91

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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.