Home / 130,327.75-179,810.48-72,958.63

Finding the Fourth Proportional to 130,327.75, 179,810.48 and 72,958.63

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Solution

The fourth proportional to 130,327.75, 179,810.48 and 72,958.63 is: 100,659.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,327.75 : 179,810.48 = 72,958.63 : x
  2. Step 2: Convert to fraction form
    130,327.75/179,810.48 = 72,958.63/x
  3. Step 3: Cross multiply
    130,327.75x = 179,810.48 × 72,958.63
  4. Step 4: Simplify right side
    130,327.75x = 13,118,725,434.35
  5. Step 5: Solve for x
    x = 13,118,725,434.35/130,327.75
  6. Step 6: Final answer
    x = 100,659.49

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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.