Home / 134,967.04-186,277.31-78,411.22

Finding the Fourth Proportional to 134,967.04, 186,277.31 and 78,411.22

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Solution

The fourth proportional to 134,967.04, 186,277.31 and 78,411.22 is: 108,220.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,967.04 : 186,277.31 = 78,411.22 : x
  2. Step 2: Convert to fraction form
    134,967.04/186,277.31 = 78,411.22/x
  3. Step 3: Cross multiply
    134,967.04x = 186,277.31 × 78,411.22
  4. Step 4: Simplify right side
    134,967.04x = 14,606,231,135.42
  5. Step 5: Solve for x
    x = 14,606,231,135.42/134,967.04
  6. Step 6: Final answer
    x = 108,220.73

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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.