Home / 165,070.42-246,877.89-143,699.79

Finding the Fourth Proportional to 165,070.42, 246,877.89 and 143,699.79

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Solution

The fourth proportional to 165,070.42, 246,877.89 and 143,699.79 is: 214,916.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,070.42 : 246,877.89 = 143,699.79 : x
  2. Step 2: Convert to fraction form
    165,070.42/246,877.89 = 143,699.79/x
  3. Step 3: Cross multiply
    165,070.42x = 246,877.89 × 143,699.79
  4. Step 4: Simplify right side
    165,070.42x = 35,476,300,948.64
  5. Step 5: Solve for x
    x = 35,476,300,948.64/165,070.42
  6. Step 6: Final answer
    x = 214,916.16

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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.