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Finding the Fourth Proportional to 101,558.53, 140,149.06 and 56,235.54

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Solution

The fourth proportional to 101,558.53, 140,149.06 and 56,235.54 is: 77,604.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,558.53 : 140,149.06 = 56,235.54 : x
  2. Step 2: Convert to fraction form
    101,558.53/140,149.06 = 56,235.54/x
  3. Step 3: Cross multiply
    101,558.53x = 140,149.06 × 56,235.54
  4. Step 4: Simplify right side
    101,558.53x = 7,881,358,279.38
  5. Step 5: Solve for x
    x = 7,881,358,279.38/101,558.53
  6. Step 6: Final answer
    x = 77,604.10

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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.