Home / 105,447.87-145,526.67-60,140.09

Finding the Fourth Proportional to 105,447.87, 145,526.67 and 60,140.09

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Solution

The fourth proportional to 105,447.87, 145,526.67 and 60,140.09 is: 82,998.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,447.87 : 145,526.67 = 60,140.09 : x
  2. Step 2: Convert to fraction form
    105,447.87/145,526.67 = 60,140.09/x
  3. Step 3: Cross multiply
    105,447.87x = 145,526.67 × 60,140.09
  4. Step 4: Simplify right side
    105,447.87x = 8,751,986,303.57
  5. Step 5: Solve for x
    x = 8,751,986,303.57/105,447.87
  6. Step 6: Final answer
    x = 82,998.23

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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.