Home / 130,264.96-179,846.28-99,992.32

Finding the Fourth Proportional to 130,264.96, 179,846.28 and 99,992.32

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Solution

The fourth proportional to 130,264.96, 179,846.28 and 99,992.32 is: 138,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,264.96 : 179,846.28 = 99,992.32 : x
  2. Step 2: Convert to fraction form
    130,264.96/179,846.28 = 99,992.32/x
  3. Step 3: Cross multiply
    130,264.96x = 179,846.28 × 99,992.32
  4. Step 4: Simplify right side
    130,264.96x = 17,983,246,780.57
  5. Step 5: Solve for x
    x = 17,983,246,780.57/130,264.96
  6. Step 6: Final answer
    x = 138,051.30

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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.