Home / 130,273.22-179,764.34-72,909.12

Finding the Fourth Proportional to 130,273.22, 179,764.34 and 72,909.12

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Solution

The fourth proportional to 130,273.22, 179,764.34 and 72,909.12 is: 100,607.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,273.22 : 179,764.34 = 72,909.12 : x
  2. Step 2: Convert to fraction form
    130,273.22/179,764.34 = 72,909.12/x
  3. Step 3: Cross multiply
    130,273.22x = 179,764.34 × 72,909.12
  4. Step 4: Simplify right side
    130,273.22x = 13,106,459,836.78
  5. Step 5: Solve for x
    x = 13,106,459,836.78/130,273.22
  6. Step 6: Final answer
    x = 100,607.48

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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.