Home / 225,013.16-310,577.75-140,079.80

Finding the Fourth Proportional to 225,013.16, 310,577.75 and 140,079.80

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Solution

The fourth proportional to 225,013.16, 310,577.75 and 140,079.80 is: 193,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,013.16 : 310,577.75 = 140,079.80 : x
  2. Step 2: Convert to fraction form
    225,013.16/310,577.75 = 140,079.80/x
  3. Step 3: Cross multiply
    225,013.16x = 310,577.75 × 140,079.80
  4. Step 4: Simplify right side
    225,013.16x = 43,505,666,851.16
  5. Step 5: Solve for x
    x = 43,505,666,851.16/225,013.16
  6. Step 6: Final answer
    x = 193,347.21

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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.