Home / 162,140.06-242,711.58-138,225.14

Finding the Fourth Proportional to 162,140.06, 242,711.58 and 138,225.14

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Solution

The fourth proportional to 162,140.06, 242,711.58 and 138,225.14 is: 206,912.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,140.06 : 242,711.58 = 138,225.14 : x
  2. Step 2: Convert to fraction form
    162,140.06/242,711.58 = 138,225.14/x
  3. Step 3: Cross multiply
    162,140.06x = 242,711.58 × 138,225.14
  4. Step 4: Simplify right side
    162,140.06x = 33,548,842,125.12
  5. Step 5: Solve for x
    x = 33,548,842,125.12/162,140.06
  6. Step 6: Final answer
    x = 206,912.73

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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.