Home / 439,090.50-658,637.37-106,666.50

Finding the Fourth Proportional to 439,090.50, 658,637.37 and 106,666.50

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Solution

The fourth proportional to 439,090.50, 658,637.37 and 106,666.50 is: 160,000.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,090.50 : 658,637.37 = 106,666.50 : x
  2. Step 2: Convert to fraction form
    439,090.50/658,637.37 = 106,666.50/x
  3. Step 3: Cross multiply
    439,090.50x = 658,637.37 × 106,666.50
  4. Step 4: Simplify right side
    439,090.50x = 70,254,543,027.11
  5. Step 5: Solve for x
    x = 70,254,543,027.11/439,090.50
  6. Step 6: Final answer
    x = 160,000.14

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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.