Home / 102,031.02-152,917.20-57,682.86

Finding the Fourth Proportional to 102,031.02, 152,917.20 and 57,682.86

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Solution

The fourth proportional to 102,031.02, 152,917.20 and 57,682.86 is: 86,451.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,031.02 : 152,917.20 = 57,682.86 : x
  2. Step 2: Convert to fraction form
    102,031.02/152,917.20 = 57,682.86/x
  3. Step 3: Cross multiply
    102,031.02x = 152,917.20 × 57,682.86
  4. Step 4: Simplify right side
    102,031.02x = 8,820,701,439.19
  5. Step 5: Solve for x
    x = 8,820,701,439.19/102,031.02
  6. Step 6: Final answer
    x = 86,451.17

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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.