Home / 151,669.44-209,294.37-83,686.95

Finding the Fourth Proportional to 151,669.44, 209,294.37 and 83,686.95

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Solution

The fourth proportional to 151,669.44, 209,294.37 and 83,686.95 is: 115,482.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,669.44 : 209,294.37 = 83,686.95 : x
  2. Step 2: Convert to fraction form
    151,669.44/209,294.37 = 83,686.95/x
  3. Step 3: Cross multiply
    151,669.44x = 209,294.37 × 83,686.95
  4. Step 4: Simplify right side
    151,669.44x = 17,515,207,477.47
  5. Step 5: Solve for x
    x = 17,515,207,477.47/151,669.44
  6. Step 6: Final answer
    x = 115,482.77

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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.