Home / 120,262.06-180,339.76-64,091.70

Finding the Fourth Proportional to 120,262.06, 180,339.76 and 64,091.70

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Solution

The fourth proportional to 120,262.06, 180,339.76 and 64,091.70 is: 96,109.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,262.06 : 180,339.76 = 64,091.70 : x
  2. Step 2: Convert to fraction form
    120,262.06/180,339.76 = 64,091.70/x
  3. Step 3: Cross multiply
    120,262.06x = 180,339.76 × 64,091.70
  4. Step 4: Simplify right side
    120,262.06x = 11,558,281,795.99
  5. Step 5: Solve for x
    x = 11,558,281,795.99/120,262.06
  6. Step 6: Final answer
    x = 96,109.13

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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.