Home / 130,160.52-179,623.17-76,446.59

Finding the Fourth Proportional to 130,160.52, 179,623.17 and 76,446.59

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Solution

The fourth proportional to 130,160.52, 179,623.17 and 76,446.59 is: 105,497.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,160.52 : 179,623.17 = 76,446.59 : x
  2. Step 2: Convert to fraction form
    130,160.52/179,623.17 = 76,446.59/x
  3. Step 3: Cross multiply
    130,160.52x = 179,623.17 × 76,446.59
  4. Step 4: Simplify right side
    130,160.52x = 13,731,577,933.37
  5. Step 5: Solve for x
    x = 13,731,577,933.37/130,160.52
  6. Step 6: Final answer
    x = 105,497.26

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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.