Home / 102,077.76-152,817.22-71,577.14

Finding the Fourth Proportional to 102,077.76, 152,817.22 and 71,577.14

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Solution

The fourth proportional to 102,077.76, 152,817.22 and 71,577.14 is: 107,155.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,077.76 : 152,817.22 = 71,577.14 : x
  2. Step 2: Convert to fraction form
    102,077.76/152,817.22 = 71,577.14/x
  3. Step 3: Cross multiply
    102,077.76x = 152,817.22 × 71,577.14
  4. Step 4: Simplify right side
    102,077.76x = 10,938,219,550.35
  5. Step 5: Solve for x
    x = 10,938,219,550.35/102,077.76
  6. Step 6: Final answer
    x = 107,155.76

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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.