Home / 252,187.02-378,335.88-74,707.92

Finding the Fourth Proportional to 252,187.02, 378,335.88 and 74,707.92

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Solution

The fourth proportional to 252,187.02, 378,335.88 and 74,707.92 is: 112,078.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,187.02 : 378,335.88 = 74,707.92 : x
  2. Step 2: Convert to fraction form
    252,187.02/378,335.88 = 74,707.92/x
  3. Step 3: Cross multiply
    252,187.02x = 378,335.88 × 74,707.92
  4. Step 4: Simplify right side
    252,187.02x = 28,264,686,656.17
  5. Step 5: Solve for x
    x = 28,264,686,656.17/252,187.02
  6. Step 6: Final answer
    x = 112,078.28

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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.