Home / 130,523.36-180,122.34-73,934.72

Finding the Fourth Proportional to 130,523.36, 180,122.34 and 73,934.72

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Solution

The fourth proportional to 130,523.36, 180,122.34 and 73,934.72 is: 102,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,523.36 : 180,122.34 = 73,934.72 : x
  2. Step 2: Convert to fraction form
    130,523.36/180,122.34 = 73,934.72/x
  3. Step 3: Cross multiply
    130,523.36x = 180,122.34 × 73,934.72
  4. Step 4: Simplify right side
    130,523.36x = 13,317,294,773.64
  5. Step 5: Solve for x
    x = 13,317,294,773.64/130,523.36
  6. Step 6: Final answer
    x = 102,029.97

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1.5x scale

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.