Home / 130,670.85-180,314.82-73,302.15

Finding the Fourth Proportional to 130,670.85, 180,314.82 and 73,302.15

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Solution

The fourth proportional to 130,670.85, 180,314.82 and 73,302.15 is: 101,150.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,670.85 : 180,314.82 = 73,302.15 : x
  2. Step 2: Convert to fraction form
    130,670.85/180,314.82 = 73,302.15/x
  3. Step 3: Cross multiply
    130,670.85x = 180,314.82 × 73,302.15
  4. Step 4: Simplify right side
    130,670.85x = 13,217,463,982.86
  5. Step 5: Solve for x
    x = 13,217,463,982.86/130,670.85
  6. Step 6: Final answer
    x = 101,150.82

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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.