Home / 130,262.56-179,765.55-72,901.43

Finding the Fourth Proportional to 130,262.56, 179,765.55 and 72,901.43

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Solution

The fourth proportional to 130,262.56, 179,765.55 and 72,901.43 is: 100,605.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,262.56 : 179,765.55 = 72,901.43 : x
  2. Step 2: Convert to fraction form
    130,262.56/179,765.55 = 72,901.43/x
  3. Step 3: Cross multiply
    130,262.56x = 179,765.55 × 72,901.43
  4. Step 4: Simplify right side
    130,262.56x = 13,105,165,659.74
  5. Step 5: Solve for x
    x = 13,105,165,659.74/130,262.56
  6. Step 6: Final answer
    x = 100,605.77

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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.