Home / 140,261.80-210,327.90-61,335.40

Finding the Fourth Proportional to 140,261.80, 210,327.90 and 61,335.40

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Solution

The fourth proportional to 140,261.80, 210,327.90 and 61,335.40 is: 91,974.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,261.80 : 210,327.90 = 61,335.40 : x
  2. Step 2: Convert to fraction form
    140,261.80/210,327.90 = 61,335.40/x
  3. Step 3: Cross multiply
    140,261.80x = 210,327.90 × 61,335.40
  4. Step 4: Simplify right side
    140,261.80x = 12,900,545,877.66
  5. Step 5: Solve for x
    x = 12,900,545,877.66/140,261.80
  6. Step 6: Final answer
    x = 91,974.76

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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.