Home / 102,739.41-141,741.32-75,946.23

Finding the Fourth Proportional to 102,739.41, 141,741.32 and 75,946.23

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Solution

The fourth proportional to 102,739.41, 141,741.32 and 75,946.23 is: 104,776.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,739.41 : 141,741.32 = 75,946.23 : x
  2. Step 2: Convert to fraction form
    102,739.41/141,741.32 = 75,946.23/x
  3. Step 3: Cross multiply
    102,739.41x = 141,741.32 × 75,946.23
  4. Step 4: Simplify right side
    102,739.41x = 10,764,718,509.49
  5. Step 5: Solve for x
    x = 10,764,718,509.49/102,739.41
  6. Step 6: Final answer
    x = 104,776.92

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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.