Home / 136,823.70-188,848.18-80,253.30

Finding the Fourth Proportional to 136,823.70, 188,848.18 and 80,253.30

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Solution

The fourth proportional to 136,823.70, 188,848.18 and 80,253.30 is: 110,768.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,823.70 : 188,848.18 = 80,253.30 : x
  2. Step 2: Convert to fraction form
    136,823.70/188,848.18 = 80,253.30/x
  3. Step 3: Cross multiply
    136,823.70x = 188,848.18 × 80,253.30
  4. Step 4: Simplify right side
    136,823.70x = 15,155,689,643.99
  5. Step 5: Solve for x
    x = 15,155,689,643.99/136,823.70
  6. Step 6: Final answer
    x = 110,768.01

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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.