Home / 150,739.26-208,056.87-90,345.66

Finding the Fourth Proportional to 150,739.26, 208,056.87 and 90,345.66

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Solution

The fourth proportional to 150,739.26, 208,056.87 and 90,345.66 is: 124,699.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,739.26 : 208,056.87 = 90,345.66 : x
  2. Step 2: Convert to fraction form
    150,739.26/208,056.87 = 90,345.66/x
  3. Step 3: Cross multiply
    150,739.26x = 208,056.87 × 90,345.66
  4. Step 4: Simplify right side
    150,739.26x = 18,797,035,237.68
  5. Step 5: Solve for x
    x = 18,797,035,237.68/150,739.26
  6. Step 6: Final answer
    x = 124,699.00

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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.