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Finding the Fourth Proportional to 163,840.56, 245,820 and 57,240.24

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Solution

The fourth proportional to 163,840.56, 245,820 and 57,240.24 is: 85,881.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,840.56 : 245,820 = 57,240.24 : x
  2. Step 2: Convert to fraction form
    163,840.56/245,820 = 57,240.24/x
  3. Step 3: Cross multiply
    163,840.56x = 245,820 × 57,240.24
  4. Step 4: Simplify right side
    163,840.56x = 14,070,795,796.80
  5. Step 5: Solve for x
    x = 14,070,795,796.80/163,840.56
  6. Step 6: Final answer
    x = 85,881.03

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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.