Home / 130,656.11-195,937.13-45,243.83

Finding the Fourth Proportional to 130,656.11, 195,937.13 and 45,243.83

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Solution

The fourth proportional to 130,656.11, 195,937.13 and 45,243.83 is: 67,849.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,656.11 : 195,937.13 = 45,243.83 : x
  2. Step 2: Convert to fraction form
    130,656.11/195,937.13 = 45,243.83/x
  3. Step 3: Cross multiply
    130,656.11x = 195,937.13 × 45,243.83
  4. Step 4: Simplify right side
    130,656.11x = 8,864,946,548.86
  5. Step 5: Solve for x
    x = 8,864,946,548.86/130,656.11
  6. Step 6: Final answer
    x = 67,849.46

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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.