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Finding the Fourth Proportional to 101,346.85, 151,812.71 and 56,880.21

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Solution

The fourth proportional to 101,346.85, 151,812.71 and 56,880.21 is: 85,203.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,346.85 : 151,812.71 = 56,880.21 : x
  2. Step 2: Convert to fraction form
    101,346.85/151,812.71 = 56,880.21/x
  3. Step 3: Cross multiply
    101,346.85x = 151,812.71 × 56,880.21
  4. Step 4: Simplify right side
    101,346.85x = 8,635,138,825.47
  5. Step 5: Solve for x
    x = 8,635,138,825.47/101,346.85
  6. Step 6: Final answer
    x = 85,203.82

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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.