Home / 162,139.06-242,710.08-138,224.14

Finding the Fourth Proportional to 162,139.06, 242,710.08 and 138,224.14

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Solution

The fourth proportional to 162,139.06, 242,710.08 and 138,224.14 is: 206,911.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,139.06 : 242,710.08 = 138,224.14 : x
  2. Step 2: Convert to fraction form
    162,139.06/242,710.08 = 138,224.14/x
  3. Step 3: Cross multiply
    162,139.06x = 242,710.08 × 138,224.14
  4. Step 4: Simplify right side
    162,139.06x = 33,548,392,077.33
  5. Step 5: Solve for x
    x = 33,548,392,077.33/162,139.06
  6. Step 6: Final answer
    x = 206,911.23

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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.