Home / 146,241.47-219,330.52-85,411.08

Finding the Fourth Proportional to 146,241.47, 219,330.52 and 85,411.08

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Solution

The fourth proportional to 146,241.47, 219,330.52 and 85,411.08 is: 128,098.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,241.47 : 219,330.52 = 85,411.08 : x
  2. Step 2: Convert to fraction form
    146,241.47/219,330.52 = 85,411.08/x
  3. Step 3: Cross multiply
    146,241.47x = 219,330.52 × 85,411.08
  4. Step 4: Simplify right side
    146,241.47x = 18,733,256,376.63
  5. Step 5: Solve for x
    x = 18,733,256,376.63/146,241.47
  6. Step 6: Final answer
    x = 128,098.11

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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.