Home / 156,437.20-215,815.56-104,692.24

Finding the Fourth Proportional to 156,437.20, 215,815.56 and 104,692.24

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Solution

The fourth proportional to 156,437.20, 215,815.56 and 104,692.24 is: 144,429.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,437.20 : 215,815.56 = 104,692.24 : x
  2. Step 2: Convert to fraction form
    156,437.20/215,815.56 = 104,692.24/x
  3. Step 3: Cross multiply
    156,437.20x = 215,815.56 × 104,692.24
  4. Step 4: Simplify right side
    156,437.20x = 22,594,214,403.25
  5. Step 5: Solve for x
    x = 22,594,214,403.25/156,437.20
  6. Step 6: Final answer
    x = 144,429.93

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1.5x scale

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.