Home / 130,567.20-180,179.52-76,129.26

Finding the Fourth Proportional to 130,567.20, 180,179.52 and 76,129.26

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Solution

The fourth proportional to 130,567.20, 180,179.52 and 76,129.26 is: 105,056.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,567.20 : 180,179.52 = 76,129.26 : x
  2. Step 2: Convert to fraction form
    130,567.20/180,179.52 = 76,129.26/x
  3. Step 3: Cross multiply
    130,567.20x = 180,179.52 × 76,129.26
  4. Step 4: Simplify right side
    130,567.20x = 13,716,933,524.76
  5. Step 5: Solve for x
    x = 13,716,933,524.76/130,567.20
  6. Step 6: Final answer
    x = 105,056.50

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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.