Home / 102,064.06-140,851.45-56,121.31

Finding the Fourth Proportional to 102,064.06, 140,851.45 and 56,121.31

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Solution

The fourth proportional to 102,064.06, 140,851.45 and 56,121.31 is: 77,449.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,064.06 : 140,851.45 = 56,121.31 : x
  2. Step 2: Convert to fraction form
    102,064.06/140,851.45 = 56,121.31/x
  3. Step 3: Cross multiply
    102,064.06x = 140,851.45 × 56,121.31
  4. Step 4: Simplify right side
    102,064.06x = 7,904,766,904.54
  5. Step 5: Solve for x
    x = 7,904,766,904.54/102,064.06
  6. Step 6: Final answer
    x = 77,449.08

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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.