Home / 130,870.41-180,605.61-73,519.86

Finding the Fourth Proportional to 130,870.41, 180,605.61 and 73,519.86

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Solution

The fourth proportional to 130,870.41, 180,605.61 and 73,519.86 is: 101,459.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,870.41 : 180,605.61 = 73,519.86 : x
  2. Step 2: Convert to fraction form
    130,870.41/180,605.61 = 73,519.86/x
  3. Step 3: Cross multiply
    130,870.41x = 180,605.61 × 73,519.86
  4. Step 4: Simplify right side
    130,870.41x = 13,278,099,162.41
  5. Step 5: Solve for x
    x = 13,278,099,162.41/130,870.41
  6. Step 6: Final answer
    x = 101,459.90

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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.