Home / 105,184.08-145,182.60-62,744.40

Finding the Fourth Proportional to 105,184.08, 145,182.60 and 62,744.40

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Solution

The fourth proportional to 105,184.08, 145,182.60 and 62,744.40 is: 86,604.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,184.08 : 145,182.60 = 62,744.40 : x
  2. Step 2: Convert to fraction form
    105,184.08/145,182.60 = 62,744.40/x
  3. Step 3: Cross multiply
    105,184.08x = 145,182.60 × 62,744.40
  4. Step 4: Simplify right side
    105,184.08x = 9,109,395,127.44
  5. Step 5: Solve for x
    x = 9,109,395,127.44/105,184.08
  6. Step 6: Final answer
    x = 86,604.31

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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.