Home / 150,925.22-208,268.06-86,397.80

Finding the Fourth Proportional to 150,925.22, 208,268.06 and 86,397.80

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Solution

The fourth proportional to 150,925.22, 208,268.06 and 86,397.80 is: 119,223.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,925.22 : 208,268.06 = 86,397.80 : x
  2. Step 2: Convert to fraction form
    150,925.22/208,268.06 = 86,397.80/x
  3. Step 3: Cross multiply
    150,925.22x = 208,268.06 × 86,397.80
  4. Step 4: Simplify right side
    150,925.22x = 17,993,902,194.27
  5. Step 5: Solve for x
    x = 17,993,902,194.27/150,925.22
  6. Step 6: Final answer
    x = 119,223.96

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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.