Home / 130,422.06-179,971.20-75,965.76

Finding the Fourth Proportional to 130,422.06, 179,971.20 and 75,965.76

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Solution

The fourth proportional to 130,422.06, 179,971.20 and 75,965.76 is: 104,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,422.06 : 179,971.20 = 75,965.76 : x
  2. Step 2: Convert to fraction form
    130,422.06/179,971.20 = 75,965.76/x
  3. Step 3: Cross multiply
    130,422.06x = 179,971.20 × 75,965.76
  4. Step 4: Simplify right side
    130,422.06x = 13,671,648,986.11
  5. Step 5: Solve for x
    x = 13,671,648,986.11/130,422.06
  6. Step 6: Final answer
    x = 104,826.20

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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.