Home / 162,005.30-242,979.93-73,238.16

Finding the Fourth Proportional to 162,005.30, 242,979.93 and 73,238.16

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Solution

The fourth proportional to 162,005.30, 242,979.93 and 73,238.16 is: 109,844.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,005.30 : 242,979.93 = 73,238.16 : x
  2. Step 2: Convert to fraction form
    162,005.30/242,979.93 = 73,238.16/x
  3. Step 3: Cross multiply
    162,005.30x = 242,979.93 × 73,238.16
  4. Step 4: Simplify right side
    162,005.30x = 17,795,402,990.13
  5. Step 5: Solve for x
    x = 17,795,402,990.13/162,005.30
  6. Step 6: Final answer
    x = 109,844.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.