Home / 242,175.02-334,165.10-138,794.31

Finding the Fourth Proportional to 242,175.02, 334,165.10 and 138,794.31

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Solution

The fourth proportional to 242,175.02, 334,165.10 and 138,794.31 is: 191,515.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,175.02 : 334,165.10 = 138,794.31 : x
  2. Step 2: Convert to fraction form
    242,175.02/334,165.10 = 138,794.31/x
  3. Step 3: Cross multiply
    242,175.02x = 334,165.10 × 138,794.31
  4. Step 4: Simplify right side
    242,175.02x = 46,380,213,786.61
  5. Step 5: Solve for x
    x = 46,380,213,786.61/242,175.02
  6. Step 6: Final answer
    x = 191,515.27

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1.5x scale

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.