Home / 106,487.90-146,956.07-58,090.66

Finding the Fourth Proportional to 106,487.90, 146,956.07 and 58,090.66

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Solution

The fourth proportional to 106,487.90, 146,956.07 and 58,090.66 is: 80,166.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,487.90 : 146,956.07 = 58,090.66 : x
  2. Step 2: Convert to fraction form
    106,487.90/146,956.07 = 58,090.66/x
  3. Step 3: Cross multiply
    106,487.90x = 146,956.07 × 58,090.66
  4. Step 4: Simplify right side
    106,487.90x = 8,536,774,875.14
  5. Step 5: Solve for x
    x = 8,536,774,875.14/106,487.90
  6. Step 6: Final answer
    x = 80,166.62

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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.