Home / 130,729.34-180,410.09-73,372.23

Finding the Fourth Proportional to 130,729.34, 180,410.09 and 73,372.23

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Solution

The fourth proportional to 130,729.34, 180,410.09 and 73,372.23 is: 101,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,729.34 : 180,410.09 = 73,372.23 : x
  2. Step 2: Convert to fraction form
    130,729.34/180,410.09 = 73,372.23/x
  3. Step 3: Cross multiply
    130,729.34x = 180,410.09 × 73,372.23
  4. Step 4: Simplify right side
    130,729.34x = 13,237,090,617.80
  5. Step 5: Solve for x
    x = 13,237,090,617.80/130,729.34
  6. Step 6: Final answer
    x = 101,255.70

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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.