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Finding the Fourth Proportional to 101,445.60, 152,261.40 and 51,560.40

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Solution

The fourth proportional to 101,445.60, 152,261.40 and 51,560.40 is: 77,387.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,445.60 : 152,261.40 = 51,560.40 : x
  2. Step 2: Convert to fraction form
    101,445.60/152,261.40 = 51,560.40/x
  3. Step 3: Cross multiply
    101,445.60x = 152,261.40 × 51,560.40
  4. Step 4: Simplify right side
    101,445.60x = 7,850,658,688.56
  5. Step 5: Solve for x
    x = 7,850,658,688.56/101,445.60
  6. Step 6: Final answer
    x = 77,387.87

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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.