Home / 109,280.27-150,813.74-66,263.87

Finding the Fourth Proportional to 109,280.27, 150,813.74 and 66,263.87

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Solution

The fourth proportional to 109,280.27, 150,813.74 and 66,263.87 is: 91,448.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,280.27 : 150,813.74 = 66,263.87 : x
  2. Step 2: Convert to fraction form
    109,280.27/150,813.74 = 66,263.87/x
  3. Step 3: Cross multiply
    109,280.27x = 150,813.74 × 66,263.87
  4. Step 4: Simplify right side
    109,280.27x = 9,993,501,730.25
  5. Step 5: Solve for x
    x = 9,993,501,730.25/109,280.27
  6. Step 6: Final answer
    x = 91,448.36

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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.