Home / 130,459.82-180,037.47-73,103.42

Finding the Fourth Proportional to 130,459.82, 180,037.47 and 73,103.42

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Solution

The fourth proportional to 130,459.82, 180,037.47 and 73,103.42 is: 100,884.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,459.82 : 180,037.47 = 73,103.42 : x
  2. Step 2: Convert to fraction form
    130,459.82/180,037.47 = 73,103.42/x
  3. Step 3: Cross multiply
    130,459.82x = 180,037.47 × 73,103.42
  4. Step 4: Simplify right side
    130,459.82x = 13,161,354,785.15
  5. Step 5: Solve for x
    x = 13,161,354,785.15/130,459.82
  6. Step 6: Final answer
    x = 100,884.35

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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.