Home / 105,290.04-145,309.62-59,958.12

Finding the Fourth Proportional to 105,290.04, 145,309.62 and 59,958.12

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Solution

The fourth proportional to 105,290.04, 145,309.62 and 59,958.12 is: 82,747.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,290.04 : 145,309.62 = 59,958.12 : x
  2. Step 2: Convert to fraction form
    105,290.04/145,309.62 = 59,958.12/x
  3. Step 3: Cross multiply
    105,290.04x = 145,309.62 × 59,958.12
  4. Step 4: Simplify right side
    105,290.04x = 8,712,491,633.11
  5. Step 5: Solve for x
    x = 8,712,491,633.11/105,290.04
  6. Step 6: Final answer
    x = 82,747.54

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1.5x scale

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.