Home / 113,155.40-169,538.70-73,692.20

Finding the Fourth Proportional to 113,155.40, 169,538.70 and 73,692.20

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Solution

The fourth proportional to 113,155.40, 169,538.70 and 73,692.20 is: 110,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,155.40 : 169,538.70 = 73,692.20 : x
  2. Step 2: Convert to fraction form
    113,155.40/169,538.70 = 73,692.20/x
  3. Step 3: Cross multiply
    113,155.40x = 169,538.70 × 73,692.20
  4. Step 4: Simplify right side
    113,155.40x = 12,493,679,788.14
  5. Step 5: Solve for x
    x = 12,493,679,788.14/113,155.40
  6. Step 6: Final answer
    x = 110,411.70

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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.