Home / 130,786.67-180,473.13-73,412.85

Finding the Fourth Proportional to 130,786.67, 180,473.13 and 73,412.85

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Solution

The fourth proportional to 130,786.67, 180,473.13 and 73,412.85 is: 101,302.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,786.67 : 180,473.13 = 73,412.85 : x
  2. Step 2: Convert to fraction form
    130,786.67/180,473.13 = 73,412.85/x
  3. Step 3: Cross multiply
    130,786.67x = 180,473.13 × 73,412.85
  4. Step 4: Simplify right side
    130,786.67x = 13,249,047,005.25
  5. Step 5: Solve for x
    x = 13,249,047,005.25/130,786.67
  6. Step 6: Final answer
    x = 101,302.73

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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.