Home / 130,637.24-180,286.54-73,294.72

Finding the Fourth Proportional to 130,637.24, 180,286.54 and 73,294.72

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Solution

The fourth proportional to 130,637.24, 180,286.54 and 73,294.72 is: 101,150.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,637.24 : 180,286.54 = 73,294.72 : x
  2. Step 2: Convert to fraction form
    130,637.24/180,286.54 = 73,294.72/x
  3. Step 3: Cross multiply
    130,637.24x = 180,286.54 × 73,294.72
  4. Step 4: Simplify right side
    130,637.24x = 13,214,051,469.07
  5. Step 5: Solve for x
    x = 13,214,051,469.07/130,637.24
  6. Step 6: Final answer
    x = 101,150.72

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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.