Home / 140,259.20-193,559.24-76,598.87

Finding the Fourth Proportional to 140,259.20, 193,559.24 and 76,598.87

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Solution

The fourth proportional to 140,259.20, 193,559.24 and 76,598.87 is: 105,707.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,259.20 : 193,559.24 = 76,598.87 : x
  2. Step 2: Convert to fraction form
    140,259.20/193,559.24 = 76,598.87/x
  3. Step 3: Cross multiply
    140,259.20x = 193,559.24 × 76,598.87
  4. Step 4: Simplify right side
    140,259.20x = 14,826,418,679.06
  5. Step 5: Solve for x
    x = 14,826,418,679.06/140,259.20
  6. Step 6: Final answer
    x = 105,707.28

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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.