Home / 242,530.29-334,695.28-139,181.33

Finding the Fourth Proportional to 242,530.29, 334,695.28 and 139,181.33

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Solution

The fourth proportional to 242,530.29, 334,695.28 and 139,181.33 is: 192,072.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,530.29 : 334,695.28 = 139,181.33 : x
  2. Step 2: Convert to fraction form
    242,530.29/334,695.28 = 139,181.33/x
  3. Step 3: Cross multiply
    242,530.29x = 334,695.28 × 139,181.33
  4. Step 4: Simplify right side
    242,530.29x = 46,583,334,215.12
  5. Step 5: Solve for x
    x = 46,583,334,215.12/242,530.29
  6. Step 6: Final answer
    x = 192,072.23

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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.