Home / 130,186.26-179,653.32-72,822.06

Finding the Fourth Proportional to 130,186.26, 179,653.32 and 72,822.06

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Solution

The fourth proportional to 130,186.26, 179,653.32 and 72,822.06 is: 100,492.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,186.26 : 179,653.32 = 72,822.06 : x
  2. Step 2: Convert to fraction form
    130,186.26/179,653.32 = 72,822.06/x
  3. Step 3: Cross multiply
    130,186.26x = 179,653.32 × 72,822.06
  4. Step 4: Simplify right side
    130,186.26x = 13,082,724,848.24
  5. Step 5: Solve for x
    x = 13,082,724,848.24/130,186.26
  6. Step 6: Final answer
    x = 100,492.36

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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.