Home / 144,085.92-216,139.26-55,339.43

Finding the Fourth Proportional to 144,085.92, 216,139.26 and 55,339.43

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Solution

The fourth proportional to 144,085.92, 216,139.26 and 55,339.43 is: 83,013.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,085.92 : 216,139.26 = 55,339.43 : x
  2. Step 2: Convert to fraction form
    144,085.92/216,139.26 = 55,339.43/x
  3. Step 3: Cross multiply
    144,085.92x = 216,139.26 × 55,339.43
  4. Step 4: Simplify right side
    144,085.92x = 11,961,022,368.33
  5. Step 5: Solve for x
    x = 11,961,022,368.33/144,085.92
  6. Step 6: Final answer
    x = 83,013.12

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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.