Home / 102,228.60-141,075.44-56,905.60

Finding the Fourth Proportional to 102,228.60, 141,075.44 and 56,905.60

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Solution

The fourth proportional to 102,228.60, 141,075.44 and 56,905.60 is: 78,529.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,228.60 : 141,075.44 = 56,905.60 : x
  2. Step 2: Convert to fraction form
    102,228.60/141,075.44 = 56,905.60/x
  3. Step 3: Cross multiply
    102,228.60x = 141,075.44 × 56,905.60
  4. Step 4: Simplify right side
    102,228.60x = 8,027,982,558.46
  5. Step 5: Solve for x
    x = 8,027,982,558.46/102,228.60
  6. Step 6: Final answer
    x = 78,529.71

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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.