Home / 156,468.70-215,926.72-84,848.50

Finding the Fourth Proportional to 156,468.70, 215,926.72 and 84,848.50

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Solution

The fourth proportional to 156,468.70, 215,926.72 and 84,848.50 is: 117,090.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,468.70 : 215,926.72 = 84,848.50 : x
  2. Step 2: Convert to fraction form
    156,468.70/215,926.72 = 84,848.50/x
  3. Step 3: Cross multiply
    156,468.70x = 215,926.72 × 84,848.50
  4. Step 4: Simplify right side
    156,468.70x = 18,321,058,301.92
  5. Step 5: Solve for x
    x = 18,321,058,301.92/156,468.70
  6. Step 6: Final answer
    x = 117,090.88

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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.