Home / 175,814.02-242,467.05-138,022.66

Finding the Fourth Proportional to 175,814.02, 242,467.05 and 138,022.66

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Solution

The fourth proportional to 175,814.02, 242,467.05 and 138,022.66 is: 190,348.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,814.02 : 242,467.05 = 138,022.66 : x
  2. Step 2: Convert to fraction form
    175,814.02/242,467.05 = 138,022.66/x
  3. Step 3: Cross multiply
    175,814.02x = 242,467.05 × 138,022.66
  4. Step 4: Simplify right side
    175,814.02x = 33,465,947,203.35
  5. Step 5: Solve for x
    x = 33,465,947,203.35/175,814.02
  6. Step 6: Final answer
    x = 190,348.57

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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.