Home / 363,937.02-545,905.53-142,165.50

Finding the Fourth Proportional to 363,937.02, 545,905.53 and 142,165.50

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Solution

The fourth proportional to 363,937.02, 545,905.53 and 142,165.50 is: 213,248.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,937.02 : 545,905.53 = 142,165.50 : x
  2. Step 2: Convert to fraction form
    363,937.02/545,905.53 = 142,165.50/x
  3. Step 3: Cross multiply
    363,937.02x = 545,905.53 × 142,165.50
  4. Step 4: Simplify right side
    363,937.02x = 77,608,932,625.22
  5. Step 5: Solve for x
    x = 77,608,932,625.22/363,937.02
  6. Step 6: Final answer
    x = 213,248.25

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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.