Home / 192,032.31-287,971.45-79,636.17

Finding the Fourth Proportional to 192,032.31, 287,971.45 and 79,636.17

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Solution

The fourth proportional to 192,032.31, 287,971.45 and 79,636.17 is: 119,422.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,032.31 : 287,971.45 = 79,636.17 : x
  2. Step 2: Convert to fraction form
    192,032.31/287,971.45 = 79,636.17/x
  3. Step 3: Cross multiply
    192,032.31x = 287,971.45 × 79,636.17
  4. Step 4: Simplify right side
    192,032.31x = 22,932,943,347.35
  5. Step 5: Solve for x
    x = 22,932,943,347.35/192,032.31
  6. Step 6: Final answer
    x = 119,422.32

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1.5x scale

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.