Home / 123,588.40-185,382.60-101,426.80

Finding the Fourth Proportional to 123,588.40, 185,382.60 and 101,426.80

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Solution

The fourth proportional to 123,588.40, 185,382.60 and 101,426.80 is: 152,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,588.40 : 185,382.60 = 101,426.80 : x
  2. Step 2: Convert to fraction form
    123,588.40/185,382.60 = 101,426.80/x
  3. Step 3: Cross multiply
    123,588.40x = 185,382.60 × 101,426.80
  4. Step 4: Simplify right side
    123,588.40x = 18,802,763,893.68
  5. Step 5: Solve for x
    x = 18,802,763,893.68/123,588.40
  6. Step 6: Final answer
    x = 152,140.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.