Home / 130,716.60-180,374.10-73,348.42

Finding the Fourth Proportional to 130,716.60, 180,374.10 and 73,348.42

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Solution

The fourth proportional to 130,716.60, 180,374.10 and 73,348.42 is: 101,212.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,716.60 : 180,374.10 = 73,348.42 : x
  2. Step 2: Convert to fraction form
    130,716.60/180,374.10 = 73,348.42/x
  3. Step 3: Cross multiply
    130,716.60x = 180,374.10 × 73,348.42
  4. Step 4: Simplify right side
    130,716.60x = 13,230,155,243.92
  5. Step 5: Solve for x
    x = 13,230,155,243.92/130,716.60
  6. Step 6: Final answer
    x = 101,212.51

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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.