Home / 140,032.98-210,090.51-45,261.36

Finding the Fourth Proportional to 140,032.98, 210,090.51 and 45,261.36

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Solution

The fourth proportional to 140,032.98, 210,090.51 and 45,261.36 is: 67,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,032.98 : 210,090.51 = 45,261.36 : x
  2. Step 2: Convert to fraction form
    140,032.98/210,090.51 = 45,261.36/x
  3. Step 3: Cross multiply
    140,032.98x = 210,090.51 × 45,261.36
  4. Step 4: Simplify right side
    140,032.98x = 9,508,982,205.69
  5. Step 5: Solve for x
    x = 9,508,982,205.69/140,032.98
  6. Step 6: Final answer
    x = 67,905.30

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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.