Home / 102,272.76-153,429.93-43,108.34

Finding the Fourth Proportional to 102,272.76, 153,429.93 and 43,108.34

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Solution

The fourth proportional to 102,272.76, 153,429.93 and 43,108.34 is: 64,671.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,272.76 : 153,429.93 = 43,108.34 : x
  2. Step 2: Convert to fraction form
    102,272.76/153,429.93 = 43,108.34/x
  3. Step 3: Cross multiply
    102,272.76x = 153,429.93 × 43,108.34
  4. Step 4: Simplify right side
    102,272.76x = 6,614,108,821.47
  5. Step 5: Solve for x
    x = 6,614,108,821.47/102,272.76
  6. Step 6: Final answer
    x = 64,671.27

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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.