Home / 147,731.88-203,851.32-84,070.80

Finding the Fourth Proportional to 147,731.88, 203,851.32 and 84,070.80

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Solution

The fourth proportional to 147,731.88, 203,851.32 and 84,070.80 is: 116,007.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,731.88 : 203,851.32 = 84,070.80 : x
  2. Step 2: Convert to fraction form
    147,731.88/203,851.32 = 84,070.80/x
  3. Step 3: Cross multiply
    147,731.88x = 203,851.32 × 84,070.80
  4. Step 4: Simplify right side
    147,731.88x = 17,137,943,553.46
  5. Step 5: Solve for x
    x = 17,137,943,553.46/147,731.88
  6. Step 6: Final answer
    x = 116,007.08

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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.